在...以前

In the days before electricity and air conditioning, Dubai Creek used to be lined by a mass of wind towers that kept the local houses cool.

在以前没有电和空调的日子里，迪拜河被强劲的风力吹起波浪，让本地的房屋觉得凉爽。

With the help of old paintings and photographs, the people of St Petersburg were able to bring back the beauty of their culture and history.

在以前的图片和照片的帮助下，圣彼得堡的人民得以恢复他们的文化和历史。

But now we realise that the black hole was far more active in the past.

不过现在我们认识到它在以前要活跃的多。

While some users are able to use v31 most are stuck on previous updates, and Nokia covers its **bleep** saying, that it ain't their fault.

虽然有些用户可以使用v31大部分是停留在以前的更新，并涵盖了诺基亚****哔哔说，这不是他们的错。

After 1989, peace broke out in the former East Bloc.

1989年后，和平在以前的东部国家爆发。

Bold-faced. Since the introduction of the computer, type design has become available to a wide audience like never shown before in history.

计算机的普及，使得广大的用户得以接触到字体设计，这在以前是从未有过的。

Bold-faced .Since the introduction of the computer, type design has becomeavailable to a wide audience like never shown before in history.

计算机的普及，使得广大的用户得以接触到字体设计，这在以前是从未有过的。

Bold-faced.

计算机的普及，使得广大的用户得以接触到字体设计，这在以前是从未有过的。

Previous roadshows have seen Renault's car running in Moscow's Red Square, at the Circus Maximus in Rome and on the banks of the Bosphorus in Turkey.

在以前的公路表演赛中，雷诺的赛车曾经来到过莫斯科的红场，罗马的大角斗场和土耳其博斯普鲁斯的大堤上。

The relation between general one-way function and bounded one way function is given by authors previously.

该文的作者在以前的文章中，对有界单向函数与一般单向函数的关系进行了探讨，从而得到一般单向函数的一个刻画。

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。