| ²é¿´: 1365 | »Ø¸´: 7 | |||
| µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû | |||
[½»Á÷]
¼±ÇóÐÞ¸ÄÒ»¾äÓ¢Îľä×Ó£¬¸½±à¼Òâ¼û£¬ÔÚÏßµÈ
|
|||
|
¼±ÇóÐÞ¸ÄÒ»¾äÓ¢Îľä×Ó£¬¸½±à¼Òâ¼û£¬ÔÚÏßµÈ ÔÎÄ£º Until 2001 the phenomenon of the negative refraction has been experimentally verified first by using artificial left-handed materials realized by periodic arrays of split ring resonators (SRRs) and wire strips . ±à¼Òâ¼û£º In the 1st paragraph of section 1 ¡°Until 2001 the phenomenon of the negative refraction has been experimentally verified¡± if you mean ¡°until 2001¡± (2001 is the ending point), then ¡°has been¡± has to be changed to ¡°had been¡±. If you mean ¡°since 2001¡± (2001 is the starting point) then there is no problem with ¡°has been¡±. ×÷Õß±¾Ò⣺ֱµ½2001£¬XXX²Å¿ªÊ¼¡£¡£¡£¡£ |
» ²ÂÄãϲ»¶
»ù½ðϵͳʲôÄÚÈÝҲûÓÐ
ÒѾÓÐ6È˻ظ´
ÓжàÉÙÈËÊǽñÌì²éϵͳ֪µÀ½á¹ûµÄ£¿
ÒѾÓÐ17È˻ظ´
¹ú×ÔÈ»ÃæÉϸ´ÅÌ~»¶ÓÌÖÂÛ
ÒѾÓÐ12È˻ظ´
Ϊʲô×ÊÖúÊý¸÷´ó¸ßУ¶¼´´Ð¸ߣ¬×Ô¼ºÉêÇëÔõô¾ÍÕâôÄÑ
ÒѾÓÐ9È˻ظ´
ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8O5.5.1.O5.4,¿ÆÄ¿È«,¿ÉÙ¤¼±
ÒѾÓÐ3È˻ظ´
ÄÄλ¸ßÈËÖÐÁË£¬°Ñ²éѯµ½µÄ½ØÍ¼Ìù³öÀ´ÈÃÎÒ¿´¿´£¬ÈÃÎÒ³¤³¤¼ûʶ
ÒѾÓÐ6È˻ظ´
ÊÛSCIÎÄÕ£¬ÎÒ:8O5.5.1.O.54,¿ÆÄ¿ÆëÈ«,¿É+¼±
ÒѾÓÐ4È˻ظ´
ÃæÉϺÏ×÷µ¥Î»¸ÇÕÂ
ÒѾÓÐ5È˻ظ´
µ¼Ê¦Í²ۣºÎÒÔõô̯ÉÏÁËÕâô¸ö¼«Æ·Ñо¿Éú£¡
ÒѾÓÐ7È˻ظ´
ÉêÇëɾ³ý±¾Ìû
ÒѾÓÐ7È˻ظ´
» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:
Ö°³¡ÈËÊ¿Ñá¶ñÀÏÍâ ѧ100¾äÓ¢Óï³³¼Ü¾ä×Ó
ÒѾÓÐ10È˻ظ´
Ò»°ãÓ¢ÎĸåдºÃÖ®ºó Ôõô¸ÄÓï·¨ºÍһЩÓï¾äµÄ´íÎó ´ó¼ÒÒ»°ã¶¼ÊÇÔõô×ßÕâ¸ö¹ý³ÌµÄ
ÒѾÓÐ18È˻ظ´
·Ò뼸¾äÓ¢Îľä×Ó
ÒѾÓÐ2È˻ظ´
¡ï
xdpeter(½ð±Ò+1):лл²ÎÓë
xdpeter(½ð±Ò+1):лл²ÎÓë
|
Not until 2001 was the phenomenon of the negative refraction experimentally verified. OR: The phenomenon of the negative refraction was experimentally verified for the first time in 2001. |
4Â¥2011-04-01 15:16:13
5Â¥2011-04-01 15:22:41
bear1984
ľ³æ (ÖøÃûдÊÖ)
- SEPI: 1
- Ó¦Öú: 4 (Ó×¶ùÔ°)
- ½ð±Ò: 679.6
- Ìû×Ó: 1668
- ÔÚÏß: 541.8Сʱ
- ³æºÅ: 619764
8Â¥2011-04-01 20:04:40
¼òµ¥»Ø¸´
xlli1217Â¥
2011-04-01 19:28
»Ø¸´
xdpeter(½ð±Ò+1):лл²ÎÓë










»Ø¸´´ËÂ¥
30
ͶƱ: