彗星

I can hardly wait to see the new comet.

我急不可待地要见到新彗星的出现。

In 1758 the comet appeared in the sky.

在1758年的彗星出现在天空。

He decided that they had simply seen the same comet three times.

他决定，他们只是看到了同一颗彗星的3倍。

If the object is a comet, we will handle it accordingly.

如果这个目标是一颗彗星，我们会进行适当的处理。

But we have no record of any such comet.

但我们有没有记录任何这类彗星。

This will be the very first time that we actually bring cometary samples back to Earth, said Mr.

这将是我们首次把彗星尘埃带回地球。

Good news! We just released the findings from our preliminary analysis on the cometary side.

好消息！我们刚刚发表了来自彗星尘埃初步分析的发现。

Yet, upon further reflection, human impact on the planet is a direct analogue of the Cretaceous cometary collision.

然而进一步的说，人类对于地球的影响，完全相当于白垩纪的彗星撞击。

For more information on the Stardust mission itself, and what has been learned from the cometary dust collected by Stardust, please visit these websites

关于星尘任务本身更多的信息，以及从彗星尘埃收集器学到的更多内容请访问下面的网站

We are analyzing Stardust cometary samples.

我们正在分析星尘号的彗星样品。

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。