| 查看: 887 | 回复: 7 | |||
| 当前只显示满足指定条件的回帖,点击这里查看本话题的所有回帖 | |||
沧__海版主 (文学泰斗)
神虫浮云
|
[交流]
a pencil
|
||
|
During the heat of the space race in the 1960s, the U.S. National Aeronautics and Space Administration decided it needed a ball point pen to write in the zero gravity confines of its space capsules. After considerable research and development, the Astronaut Pen was developed at a cost of approximately $1million U.S. The pen worked and also enjoyed some modest success as a novelty item back here on earth. The Soviet Union, faced with the same problem, used a pencil. |
» 猜你喜欢
售SCI-T0P文章,我:8O.5.5.1.O.54,科目齐全,可+急
已经有6人回复
售一区SCI文章T0P,我:8O.551.O54,科目全,可十急
已经有9人回复
售SCI-T0P文章,我:8O.5.5.1.O.54,科目齐全,可+急
已经有3人回复
考博求助
已经有3人回复
售SCI一区文章,我:8.O.551.O.5.4,科目全,可伽急
已经有5人回复
售SCI一区T0P文章,我:8.O.55.1.O.5.4,科目全,可+急
已经有4人回复
售SCI一区T0P文章,我:8.O.55.1.O.5.4,科目全,可+急
已经有5人回复
售SCI-T0P文章,我:8O.5.5.1.O.54,科目齐全,可+急
已经有9人回复
售一区SCI文章T0P,我:8O.551.O54,科目全,可十急
已经有9人回复
售SCI一区T0P文章,我:8.O.55.1.O.5.4,科目全,可+急
已经有10人回复

|
8楼2013-10-22 23:31:45
|
, [ 发自小木虫客户端 ] |
4楼2013-10-22 13:41:21
lppv
荣誉版主 (文坛精英)
无与伦比俱乐部部长
- ESEPI: 42
- 应助: 5 (幼儿园)
- 贵宾: 2.158
- 金币: 9455.2
- 散金: 21883
- 红花: 262
- 沙发: 257
- 帖子: 29946
- 在线: 3646.7小时
- 虫号: 937152
- 注册: 2010-01-05
- 性别: MM
- 专业: 无机合成和制备化学
- 管辖: English Cafe

5楼2013-10-22 18:40:18
|
6楼2013-10-22 18:41:52










回复此楼