查询词典 NASA

"The orbiters will not be disassembled for transportation or storage," NASA insists in its nine-page request for information.

美国宇航局在长达九页的招标书中强调&航天飞机不能拆卸运输或存放。&

A total of four spacecraft from NASA, the European Space Agency and Japan are en route to Mars now. They include three landers and two orbiters.

美国航天局、欧洲太空局和日本发射的总共4架航天器正在飞往火星的途中，它们包括三架着陆器和两架环绕器。

Newly restored photographs of the moon's dark south pole, taken by lunar orbiters in 1967, were released this week in anticipation of NASA's planned Thursday launch of two new probes that will investigate the region in search of underground ice.

在1967年由月球轨道器拍摄的，新近恢复的月球黑暗南极的照片在这个星期公布，而美国国家航空航天局计划这个星期五发射两颗探测器，来调查研究这一地区的地下冰。

The discovery , announced Monday by NASA , drew oohs and aahs for months from the handful of astronomers who peered through telescopes to see the fuzzy remnants of the spectacular explosion after it was first spotted last fall .

美国国家航空和航天局一宣布了这个发现，从去年秋季第一次观测其形成到至今壮观的爆发后模糊的残余，几位天文学家数月里都从望远镜中观察着，爆炸让他们惊叹不已。

The discovery , announced Monday by NASA , drew oohs and aahs for months from the handful of astronomers who peered through telescopes to see the fuzzy remnants of the spectacular explosion after it was first spotted last fall .

美国国家航空航天局于周一宣布了这一发现，几个月来这颗超新星令少数天文学家为之惊叹，自从去年秋天首次被发现后，他们一直通过望远镜来观看这一场面壮观的爆炸留下的模糊余迹。

According to NASA, Hubble's keen 'eye' disclosed that planetary nebulas are like snowflakes: no two are like.

哈勃望远镜告诉人们，行星状星云就像雪花一样，没有任何两个是一样的。

Williams' sister, Dina Pandya, and NASA astronaut Karen Nyberg were running in the race on the ground.

威廉姆斯的妹妹迪娜·潘德亚和美国国家航天局的宇航员凯仁·耐博在地面上跟她同时比赛。

English Summary/英文概要: Deep in the frozen wasteland of Antarctica, a remote NASA research lab rests atop a two-mile thick glacier, covering a vast underground water reservoir.

Chinese Summary/中文概要：在南极洲冰冻荒原的深处，一个遥远的美国航天局研究实验室停留在两英里厚的冰川上，冰川下是广阔的地下水库。

NASA also would like to make a final servicing call to the Hubble Space Telescope and fly two resupply flights to the station before the end of the shuttle program.

美国航空航天局同时计划最后访问一次哈勃太空望远镜，在航天飞机退役前进行两次空天飞行，对哈勃太空望远镜的太空站进行补给。

To make a model .The first step is a joint effort between the Defense Advanced Research Projects Agency,NASA,Boeing,and Ball Aerospace and Technologies Corp. to build a mock-up of a repairable satellite called NextSat in a couple of years.

计划的第一步，是由国防部高级研究计划局、国家航空航天局、波音公司和鲍尔航天与技术公司联手，在未来几年内制造一颗名为nextsat的可修理卫星实物模型。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。