自从一万年前农业开始发展以来，已有三分之一的树木被砍伐殆尽。
As much as a third of the total tree cover has been lost since agriculture began some 10,000 years ago.
回到几周前，当我们第一次开始发布这个功能的时候碰上了一些小障碍，但是从今天开始你可以在聊天中打开这个功能了。
A few weeks back, we ran into a few snags when we first started rolling this out, but starting today you can turn on text messaging for chat.
在你离开医院前，医生护士们在大多数时候能发现此情况，然而若在家中开始发生这种情况，应立即回来。
Most times they will catch this before you leave the hospital, however if this starts happening at home, it's time to go back.
自从这家技术公司十年前开始发布这一年度报告以来，这是新闻首次成为最热门的搜索项。
It is the first time that news came up first since the technology company began publishing its yearly review a decade ago.
在1997年前，这部分人还是沉醉于现金经济；1997年后，美国收入署开始发放个别纳税人识别号码，于是，所有美国人都可以纳税。
Most of these people were in the cash economy until 1997, when the Internal Revenue Service began to issue Individual Taxpayer Identification Numbers (ITINs) so everyone could pay taxes.
约10年前，当加纳野生动物部的区域经理阿杰曼·迪克森推行了公众教育计划，人们的态度开始发生变化。
Attitudes began to change about 10 years ago when Dickson Agyeman, the Ghana Wildlife Division's regional manager, launched public education programs.
自从该目录15年前开始发布起，已经有了高达300%的增长。
That's a whopping 300 percent increase since the directory was first published 15 years ago.
2005年，渔民出海捕捞凤尾鱼、鲑鱼以及黄尾鱼时，开始发现渔猎之中出现了越前水母这种巨大的生物。
Nomura's jellyfish first arrived in Japanese waters in 2005 when fisherman out looking for anchovies, salmon and yellowtail began finding large numbers of the gelatinous creatures in their nets.
愤怒情绪的袭来比我们开始行使认知控制还要快，因此，在我们理性的大脑阻止前，我们已经开始发怒了。
Anger strikes too quickly for cognitive control, boiling over before the rational brain can stop it.
在开始发布和接收Sametime投递前，applet必须完成一些任务以获得对Sametime服务的访问。
Before starting to publish and receive Sametime posts, our applet must carry out a few tasks for gaining access to Sametime services.
大约200万年前，人类大脑开始发育变大。如今的人脑在体积上比黑猩猩（人类的近亲）的大三倍多。
About 2m years ago it began to grow in size, and today it is about three times larger than that of chimpanzees, man's closest relative.
一万七千年前冰河世纪结束后环境开始发生了变化，随着气候变暖，人口随之膨胀。
Conditions changed at the end of the ice age 17,000 years ago and, as the climate got warmer, populations began to expand.
甚至，在新的章程确定以前(一年前曾出版过一个草案)，经济就开始发生变化了。
Even before the new rules were finalised (a draft was published a year ago), businesses began to change.
但这条裂谷从1500万年前才开始发育。
But the rift did not begin to develop until around 15 million years ago.
现在如果美国召唤的话，其中的大多数人还是会应邀而来，但十年前形势开始发生变化，美国的优势地位已经减小。
Most of them still come when America beckons, but ten years ago things began to slip.
[color=#000000][font=宋体]甚至，在新的章程确定以前（一年前曾出版过一个草案），经济就开始发生变化了。
[font=Times New Roman][color=#000000]Even before the new rules were finalised (a draft was published a year ago), businesses began to change.
在心理学家StevenStosny看来，这些方法的劣势在于愤怒情绪的袭来比我们开始行使认知控制还要快，因此，在我们理性的大脑阻止前，我们已经开始发怒了。
In psychologist Steven Stosny's view, their flaw is that anger strikes too quickly for cognitive control, boiling over before the rational brain can stop it.
但是研究告诉我们，阿尔茨海默病可能在患者出现症状前数年甚至是数十年已经开始发病。
But research tells us that Alzheimer's likely begins years, maybe even decades, prior to symptoms appearing.
首相是25分钟前开始发言的。
每日16：00以后可办理次日北京始发航班的乘机登记手续，航班起飞前2小时停止办理。
Complete the registration of the flight depart from Beijing in next day since 16:00pm every day. The service is closed 2 hours before the flight taking off.
问题从这里提出：“始发阶段”是否相当于瘤前病变？
The question arises here; does initiation correspond to pre-neoplasia?
回归前一年，你生活的很多方面都已经开始发生一些变化。
这一阶段是服务器实际上开始发送内容返回到客户端前的最后阶段，这是模块必须做出任何调整或变更名称(因此阶段)的最后一次机会。
This phase is the last one before the server actually starts sending content back to client, so it's the last opportunity modules have to made any tweaks or changes (hence the name of the phase).
金属补偿器实时对滤波系数自动进行调整，当补偿器调整达到平衡时，其输出信号大约等于失真前的原始发送信号。
The self adaptive filter automatically adjusts the filter factors . When the adjustment achieves equilibrium , the output signals are almost equal to the raw ones.
首相是25分钟前开始发言的。
几周前，网友就呼吁，从五一劳动节假日开始发起一场抵制家乐福的活动。
Internet activists have been calling for several weeks for a boycott of Carrefour to begin on May 1, which is a national holiday in China.
几周前，网友就呼吁，从五一劳动节假日开始发起一场抵制家乐福的活动。
Internet activists have been calling for several weeks for a boycott of Carrefour to begin on May 1, which is a national holiday in China.
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