做备份

Have you done a file back up lately?

你做了一个文件备份最近？

It is also important to have this software in case you need to do any type of system restore or back-up.

同样重要的是，本软件的情况下你需要做的任何类型的系统还原或备份。

We all know the importance of backing up our information yet so many of us don't do it.

大家都知道备份的重要性，但我们这么多人的资料不去做。

Ok. Also, you should make a backup copy of it .

好的，还有，你应该为它做一份备份。

You should make a backup copy of it.

你应该做个备份。

Did you make up a backup copy?

你做了备份了吗？

Make a backup copy just in case.

可能的话，可以做一个备份。

All I have to do is update the trade journal once a week and make some copies.

我所要做的工作就是每周更新一下贸易记录，并且做一些备份。

Circumventing DRM is possible and it would seem OK to do so for legitimate reasons, such as making a backup copy.

围绕DRM可能和将似乎OK为了合法的原因这样做，诸如做一种备份拷贝。

"Rebit does some pretty complicated things to make sure it always has the most up to date copy of any given file on your computer, and it does it all with you barely even knowing it's there."

&Rebit 做了一些相当复杂的事，确保了它总是能拥有电脑里面最近期的资料备份。使用上，它做了很多事，但却让人不觉得它的存在&

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。