She always travels first-class regardless of expense.

The only guarantee of having a cabin to oneself is by travelling first class

只有坐头等舱旅行才能保证一个人独享一舱。

The economy is the number one issue by far

到目前为止，经济是头等大事。

The first-class compartment is situated at the front of the train.

头等车厢位于火车的前部。

Voters continue to rate education high on their list of priorities.

选民继续把教育看作是头等重要的大事。

First prize will be a meal for two at the restaurant of your choice.

头等奖是一顿两人正餐，餐馆任选。

We'll fly first class on a Boeing 757 from New York to Paris.

我们将乘坐波音757的头等舱从纽约飞往巴黎。

Study is the matter of primarily importance.

学习是头等重要的事。

They are entitled to first class travel

他们可以坐头等舱旅行。

Air France first-class seats recline almost like beds

法国航空公司头等舱的坐椅可以调低成几乎像床一样。

Being a parent is her first priority

做好母亲是她的头等大事。

X-band ir-mss data transmission antenna used on CBERS-1 satellite

资源一号卫星X波段IR-MSS数传天线

The Tianwen 1 mission has left the nation's first mark on the Red Planet and is another landmark, China is now among the leading countries in planetary exploration.

天问一号探测器着陆火星，在火星上首次留下中国人的印迹，这是我国航天事业发展的又一具有里程碑意义的进展。

The spacecraft, launched on July 23, 2020, is expected to enter the Mars orbit around February.

天问一号于2020年7月23日发射，有望在2月份左右进入火星轨道。

Joint Orbit Determination for TC-1 Satellite with USB and VLBI

USB与VLBI联合确定探测一号卫星轨道

Data Acquisition System of the Payload X-ray Spectrometer of CE-1 Lunar Satellite

嫦娥一号卫星X射线谱仪数据采集系统

Breakfast number one-Apples and Almond Butter.

早餐一号，苹果和杏仁酱。

Retrofit of the DCS for Unit 1 of Zhujiang Power Plant

珠江电厂一号机组DCS的改造

An Estimate of Transformation Coefficients for The V Magnitude of No.1 CCD System at Yunnan Observatory

对云台一号CCD系统V星等归化系数的估计

China's Tianwen-1 mission was launched on July 23, 2020, the first step in China's adventure in planetary exploration.

2020年7月23日，“天问一号”任务成功发射，迈出中国行星探测的第一步。

And the advantages and limitations are summarized by comparing this algorithm with original algorithm through experimental. ( b) HJ-1 satellite CCD images thick cloud removal methods.

并通过实验将此算法与原始算法进行对比分析，总结其优点与局限性。（2）环境一号卫星CCD影像厚云去除方法。