This is the first time the central government has a clear plan.
这是中央政府第一次有一个明确的计划。
Actually, this has become a first family tradition.
事实上，这已经变成了第一家庭的传统。
This is not the first time a replacement has been proposed for the current Internet.
这已经不是第一次提出更换当前的互联网了。
This is the first study that has kind of done it on a big scale in a natural situation.
这是第一次在自然形式下做的大范围的研究。
This isn’t his first offense. He has a rap sheet a mile long.
这不是他第一次犯罪，他前科累累。
This isn't his first offense. He has a rap sheet a mile long.
这不是他第一次犯罪，他前科累累。
I check first to see if this employee has a publications list.
我首先将查看该员工是否有一个出版列表。
This is not the first time the question of a litmus test has arisen.
试金石这个问题已经不是第一次提出来的了。
This is not the first time Greece has embarked on a sales drive.
这已经不是第一次希腊被迫着手出售其资产了。
This series has covered a lot of ground, so let's first review.
本系列涵盖了很多内容，我们首先回顾一下这些内容。
This is the very first photograph that intentionally has a human as its main subject.
这是第一张以有意的人物为其主体的照片。
This is not the first time that such a thing has happened.
这样的事情并不是第一次发生。
This is the first time Google has organised such a conference.
这是谷歌第一次组织这样的会议。
This is not the first time that such a comparison has been explored.
像这样的对比并非是第一次出现。
This has recorded the hottest ever first four months of a year.
今年的前四个月是有史以来最热的。
This is not the first time Obama has had a fish named after him.
这已经不是第一次用奥巴马的名字来为鱼类命名了。
The researchers say this is the first time a gene for seedlessness has been determined.
研究人员们说这还是首次确认无核水果的一种基因。
This is the first trial that has shown a glimmer of hope and success.
这是人类历史上第一次使对老年痴呆症的研究前景透出一丝希望和成功的实验。
Has there been a similar disaster in the country before or is this the first time?
该国以前发生国类似灾害还是首次遭受该类灾害？
Since this matter is very urgent and therefore has a prior claim to my attention, I shall naturally consider it first.
既然这件事情非常紧急，需要我的优先关注，自然我会首先考虑它。
This isn't the first time a sporting event has been broadcast in space.
这并非首次在太空播放体育赛事。
This first version has materialized mainly as a video messaging application.
这第一个版本已实现主要是因为视频通讯应用软件。
This is the first time that this principle has been used in a road-vehicle driveline.
这是第一次，这一原则已在公路，汽车传动系统使用。
It could be the first time that a player has left the club in the prime of his career, so in a way this was not normal.
这是第一次对于一个运动员，把自己的黄金年华献给了一家俱乐部，所以这一路走来并不容易。
A new paralleled first-principle program has been introduced in this paper.
本文介绍一种新的并行化第一原理分子动力学程序。
A new paralleled first-principle program has been introduced in this paper.
本文介绍一种新的并行化第一原理分子动力学程序。
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