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¸Ðл´ó¼ÒµÄÖ§³Ö£¬ÉÏÆÚ»î¶¯Á´½Ó£ºhttp://muchong.com/bbs/viewthread.php?tid=4704294&fpage=1 ´Ê»ã½²½â£º 1. involve vt. ʹ¾íÈë,Á¬ÀÛ;Ç£Éæ Àý¾ä£ºThat's no concern of mine. I'm not involved. ÄÇÓëÎÒÎÞ¹Ø,ÎÒδ¾íÈë¡£ 2. pesticide n. ɱ³æ¼Á Àý¾ä£ºThey sprinkled pesticide to bug the potatoes. ËûÃÇÅçÈöɱ³æ¼Á¸øÂíÁåÊí³ý³æ¡£ 3. complex adj. ¸´ÔÓµÄ,´í×Û¸´Ô Àý¾ä£ºIt was a complex problem. ÕâÊÇÒ»¸ö¸´ÔÓµÄÎÊÌâ¡£ 4. fertilizer n. ·ÊÁÏ Àý¾ä£ºThis factory turns out chemical fertilizer. Õâ¼Ò¹¤³§Éú²ú»¯·Ê¡£ 5. afford vt. Ìṩ Àý¾ä£ºWe can't afford to pay such a price. ÎÒÃǸ¶²»ÆðÕâ¸ö¼ÛÇ®¡£ 6. cooperative adj. ºÏ×÷µÄ;ÀÖÒâºÏ×÷µÄ Àý¾ä£ºThe people in the village were very cooperative. ´åÀïÈ˷dz£ºÏ×÷¡£ 7. fee vt. ¸¶·Ñ(»òСÕÊ)¸ø Àý¾ä£ºShe feed the waiter. Ëý¸¶¸øÊÌÕßС·Ñ¡£ 8. service n. Ϊ...·þÎñ Àý¾ä£ºHe dedicated his life to the service of his country. ËûÏ×ÉíÓÚΪ¹ú·þÎñ ¶ÌÓï½²½â£º 1. Precision agriculture is a way of thinking about how to improveproduction and get more from existing resources. think about ¿¼ÂÇ Àý¾ä£ºHe never think what others think about him. Ëû´ÓÀ´¿¼ÂDZðÈ˶ÔËûµÄ¿´·¨¡£ 2. Jimmy Messick is a farmer in northern Virginia, not far fromWashington. far from ÍêÈ«²» Àý¾ä£ºIt's far from perfect. ÄÇ»¹Ô¶Ô¶Ëã²»ÉÏÍêÉÆ¡£ 3. He says the GPS guidance system makes it easy to come backlater and plant the seed in his fields of maize, or corn. come back »ØÀ´ Àý¾ä£ºIt doesn't matter when you'll come back. Äãʲôʱºò»ØÀ´¶¼Ã»¹ØÏµ¡£ 4. Of course, new technology is not always so cheap. of course µ±È» Àý¾ä£ºOf course, this can be abused. µ±È»ÁË£¬ÕâÑù»¹ÊÇ¿ÉÄܻᱻÀÄÓᣠ5. He and other researchers worked with a farmer in India toprecision-level his irrigated wheat fields. work with Ó롹²ÊÂ/ºÏ×÷£»Æð×÷Óà Àý¾ä£ºContinue to work with the faith that honor in suffering is redemptive. ¼á³ÖÒÔÊÜ¿àΪÈÙµÄÐÅÄîÀ´¹¤×÷ÊÇÒ»ÖÖÊê×ï¡£ Precision agriculture is a way of thinking about how to improve production and get more from existing resources. It often involves the use of technology. An example found mostly in wealthier countries is a computer-guided tractor. The computer does most of the driving. It uses signals from satellites in the Global Positioning System. GPS technology helps the tractor cut rows in straight lines and put the right amount of fertilizer in the right place. ¾«×¼Å©ÒµÊÇÒ»ÖÖÏë°ì·¨Ôö²ú¡¢´ÓÏÖÓÐ×ÊÔ´ÖлñÈ¡¸ü¶àµÄ·½·¨¡£Í¨³£ÒªÀûÓÿƼ¼£¬¸»Óйú¼Ò×î³£¼ûµÄÀý×Ó¾ÍÊÇʹÓõçÄÔ²Ù×÷µÄÍÏÀ»ú¡£µçÄÔ¸ºÔð´ó²¿·ÖµÄ¼ÝÊ»¹¤×÷£¬½èÖúÈ«Çò¶¨Î»ÏµÍ³(GPS)µÄÎÀÉúÐźţ¬GPS¿Æ¼¼°ïÖúÍÏÀ»úÑØÖ±Ïß»®³ö¢¹µ£¬ÔÚÕýÈ·µÄλÖ÷ÅÈëÊÊÁ¿µÄ·ÊÁÏ¡£ (SOUND) Jimmy Messick is a farmer in northern Virginia, not far from Washington. He says the GPS guidance system makes it easy to come back later and plant the seed in his fields of maize, or corn. Jimmy MessickÊǾ໪ʢ¶Ù²»Ô¶´¦±±Î¬¼ªÄáÑÇÖݵÄһλũÃñ£¬Ëû˵GPSʹµÃÖÖÓñÃ×±äµÃ¸üÈÝÒס£ JIMMY MESSICK: "Because the tractor that's pulling the planter also has the same auto-guidance system in it as the tractor that applied the fertilizer and did this tillage, it will come back and put the seed right on top of these marks." JIMMY MESSICK: ¡°Ç£Òý²¥ÖÖ»úµÄÍÏÀ»úÓÐͬ²½×Ô¶¯µ¼º½ÏµÍ³£¬µ±ÍÏÀ»ú¸û×÷²¢Ê©·Êºó£¬ËüÄÜÔٴηµ»Ø½«ÖÖ×Ӹպò¥Èöµ½Ìض¨±ê¼Ç´¦¡£¡± Because of the GPS guidance, Mr. Messick now pays half what he once did for fertilizer. ÓÉÓÚÓÐÁËGPSϵͳ£¬MessickÏÖÔÚÖ»ÐèºÄ·ÑÔÀ´·ÊÁϵÄÒ»°ë¡£ Bruce Erickson is an agronomist at Purdue University in Indiana. He says saving even a little bit of seed, pesticide or fertilizer "computes directly to cost savings and less environmental damage." Bruce EricksonÊÇÓ¡µÚ°²ÄÉÖÝÆÕ¶É´óѧµÄũѧ¼Ò£¬Ëû˵¼´Ê¹Ö»ÊǽÚÊ¡ÁËÒ»µãÖÖ×Ó¡¢É±³æ¼Á»ò»¯·Ê£¬¡°Ò²ÄÜÖ±½Ó¼ÆËã³ö½ÚÊ¡µÄ³É±¾£¬¼õÉÙ¶Ô»·¾³µÄΣº¦¡£¡± Raj Khosla is an agronomist at Colorado State University. He says farmers in the developing world can use precision agriculture even without high-tech tractors. Raj KhoslaÊÇ¿ÆÂÞÀ¶àÖÝÁ¢´óѧµÄũѧ¼Ò£¬Ëû˵£¬·¢Õ¹Öйú¼ÒµÄÅ©ÃñÉõÖÁÎÞÐè¸ß¿Æ¼¼ÍÏÀ»ú¾Í¿ÉÒÔ½øÐо«×¼Å©ÒµÉú²ú¡£ RAJ KHOSLA: "We do not necessarily have to have complex, large machinery to practice what could be done as [simply] as using bottle caps." Raj Khosla£º¡°ÎÒÃDz»Ò»¶¨·ÇÒªÓи´ÔÓ¡¢´óÐ͵ĻúÆ÷£¬Æäʵƿ¸Ç¾Í¿ÉÒÔÁË¡£¡± The idea is to use a bottle cap to pour a measured amount of fertilizer right next to each plant. It takes more work than simply throwing handfuls of fertilizer across a field. Õâ¸ö°ì·¨ÊÇÓÃÆ¿¸Ç°Ñ¶¨Á¿»¯·Ê²¥ÈöÔÚÿ¿ÃÖ²ÖêÅÔ£¬Õâ±ÈÖ»Êǽ«»¯·ÊÈ÷ÔÚÕû¿éÌï¼äÒªºÄ·Ñ¸ü¶àÀͶ¯¡£ But Mr. Khosla says researchers taught this bottle cap method to farmers in sub-Saharan Africa. They discovered that it was worth the extra effort if they could only afford a small amount of fertilizer. µ«Raj Khosla˵£¬Ñо¿Õß°ÑÕâÒ»·½·¨½Ì¸øÁËÈö¹þÀɳĮÒÔÄÏ·ÇÖÞµÄÅ©Ãñ£¬ËûÃÇ·¢ÏÖÕâÖÖ¶îÍâµÄ¸¶³öÊÇÖµµÃµÄ£¬ÒòΪÕâÑù¾ÍÖ»ÐèÓÃÉÙÁ¿»¯·Ê¼´¿É¡£ RAJ KHOSLA: "There was a huge difference: more than double, in terms of productivity." RAJ KHOSLA: ¡°Õâ¸ö²îÒìºÜ´ó£¬Éú²úÂÊÌá¸ßÁËÁ½±¶¡£¡± Of course, new technology is not always so cheap. But Mr. Khosla says farmers could form a cooperative or combine their resources to pay for new equipment. He and other researchers worked with a farmer in India to precision-level his irrigated wheat fields. That kept the fields from developing wet and dry areas that reduced productivity. The farmer also added better fertilizers and insect control. µ±È»£¬Ð¿Ƽ¼²¢²»¶¼ÊÇÕâôÁ®¼Û¡£µ«Khosla˵£¬Å©Ãñ¿ÉÒÔ×齨ºÏ×÷É磬»ò½«×ÊÔ´ºÏÔÚÒ»ÆðÀ´¹ºÂòÐÂÉ豸¡£ËûºÍÆäËûÑо¿Õßͬһλӡ¶ÈÅ©ÃñºÏ×÷Ìá¸ß¹à¸ÈÂóÌïµÄ¾«×¼¶È¡£ÕâÑù¿É·ÅÖÃÅ©Ìï¹ýʪ»ò¹ý¸É¶ø½µµÍÉú²úÂÊ¡£Å©Òµ»¹ÓÃÁ˽ϺõķÊÁÏ£¬²¢×öÁ˳溦¿ØÖÆ¡£ As a result, he was able to grow almost three times as much wheat on the same amount of land. Mr. Khosla says with the extra money the farmer made, and a small loan, he bought his own precision leveler. And now, for a fee, he offers that as a service to his neighbors and other farmers. ½á¹û£¬ËûÔÚͬÑùÃæ»ýµÄÌïµØÀïÊÕ»ñÁ˽üÈý±¶µÄÂó×Ó¡£Khosla˵£¬ÕâλũÃñÓöîÍâÕõÀ´µÄÇ®£¬¼ÓÉÏÒ»µã´û¿î£¬¾ÍÂòÁËһ̨×Ô¼ºµÄ¾«×¼Õûƽ»ú¡£ÏÖÔÚ£¬ËûÏòÁÚ¾ÓºÍÆäËûÅ©ÃñÊÕ·ÑÌṩÕûƽ»ú·þÎñ¡£[ Last edited by etin on 2012-7-14 at 10:29 ] |
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3Â¥2012-07-14 10:28:03
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4Â¥2012-07-14 10:29:20
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5Â¥2012-07-14 10:33:29
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6Â¥2012-07-14 10:33:47
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7Â¥2012-07-14 10:34:30
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ÈÙÓþ°æÖ÷ (ÖªÃû×÷¼Ò)
- ÍâÓïEPI: 13
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- ÐÔ±ð: GG
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8Â¥2012-07-14 10:34:41
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9Â¥2012-07-14 10:37:02
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- ×¢²á: 2009-05-10
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