first的例句大全

First, the uncontrollability of semilinear equations with constrained control is proved;

证明了具有约束控制半线性热方程系统的不能控性；

First several basic algorithms of Rough set methods are introduced with an analysis of the time complexity such as some efficient and incremental computing of indiscernibly relation and an improved algorithm of positive region.

具体研究工作如下：一.在Rough集的基本算法方面，提出了计算等价类的快速算法和增量算法以及计算正区域的改进算法，分析了算法的时间复杂度；

The first observations of fluorine came from the 1500s, with a German mineralogist who described it as a material that served to lower the melting point of ore. In 1670, a glassworker accidentally found that fluorspar and acids would react and used the reaction to etch glass.

16世纪一位德国矿物学家开始研究氟，并把它描述为一种能降低矿石熔点的物质。1670年，一个玻璃厂工人偶然发现氟石和酸性物质能够发生化学反应，并将这一发现用于蚀刻玻璃。

From the first day to the third day, the dropping number and dropping rates of glochidium in the gills of Carassius auratus are 1.1, 0.8, 0.5 and 0.36, 0.27, 0.20;

在第1-3d，鲫鳃上钩介幼虫的脱落数量分别为1.1只，0.8只，0.5只，脱落率分别为0.36%，0.27%，0.20%；

The first Microsoft store was set to open Thursday in Scottsdale, Ariz.

微软的首家零售店定于周四在亚利桑那州斯科茨代尔市开业.

The first capital theatre to be illuminated with electricity was ours.

我们剧院是首都首家使用电灯照明的剧院.

Tongxiang City Experimental Middle School is the city seeking the first joint-stock private school.

桐乡市求是实验中学是本市首家 股份制 民办初中.

Hawker Beechcraft alone took orders for 16 corporate jets in the first half of this year and will deliver them over the next two years.

仅豪客比奇一家公司今年上半年就收到了16架公务喷气式飞机订单，这些飞机将在未来2年内交付使用。

Apple applied for an icloud trademark in Europe on May 31, the same day it issued the first press release that used the term.

苹果于5月31日在欧洲申请了iCloud商标，而就在当天，该公司发布了使用这一名字的首份新闻稿。

REE distribution in the first phase intrusive rock descends in an order of pyroxenite to biotite pyroxenite to apatite rock.

第一期侵入岩较其它期次侵入岩REE含量高，按辉石岩黑云母辉石岩磷灰石岩的顺序增加。

Perhaps it was that cloud of dust the Hebrews first noticed, as they were camped by the Red Sea.

当以色列人在红海边安营的时候，他们注意到远处尘土飞扬。

With an investment from his father's company, as well as a chunk of his own inheritance, Smith bought his first Dassault Falcon planes, and in 1971 formed the Federal Express Corporation.

他拿着父亲企业的投资以及一大部分继承的财产，购买了第一架达索尔特鹰式飞机。1971年，史密斯创办了联邦快递公司。

Ferretti suggests first-timers think about where in the world they'd like to go, then ask their local yoga instructor about the teachers at the retreat destination.

Ferretti建议第一次参加这种活动的人先考虑他们想去世界上的哪个地方去度假，然后问一问他们当地的瑜伽教练关于度假地点的瑜伽老师的情况。

The first step in the face-removal treatment is to use chemicals to bathe my skin in pain.

换脸治疗的第一步骤是利用药水冲洗皮肤，带有疼痛感。

I look younger now! Full of joy, one of world's first face transplant patients shows his new visage to the world.

“我看起来年轻多了！”世界上第一例面部植入手术者十分高兴的向全世界展示着他的新面孔。

Now that he is successfully recovering, the procedure is being called the most extensive face transplant to date, and the first in New York.

现在，他恢复的很顺利，这次手术被称为史上最大面积的脸部移植手术，也是纽约的第一例。

The first step is always the hardest. Lets face it: changing bad habits is tough.

让我们面对这个事实：改掉坏习惯非常困难。

Mr Dumas died this year after an acute illness but he had passed the baton four years ago to an outsider Patrick Thomas to run the company for the first time in its history.

杜迈于今年因重病辞世，但他四年前就已经将接力棒传给了帕特里克托马斯（patrick thomas）由一位外来者掌管公司，这在爱马仕的历史上还是首次。

Gucci is the first luxury brand to embrace the iPad, with not one but two applications.

古琦是首家用两种而不是一种应用程序利用ipad的奢侈品牌。

According to Nielsen Music, Swift's songs were streamed 51.5 million times in their first week back on streaming services that aren't Apple Music.

根据尼尔森音乐提供的数据，霉霉的歌重返流媒体第一周播放量就达到了5150万。