Secondly, clinical examination is carried out mainly on retrospective observation with snail number of samples.

...careful observation of the movement of the planets...

对行星运动的仔细观测

results based on scientific observations

根据科学观测得来的结果

Did you keep him under observation?

你对他进行监视了 吗 ?

She has outstanding powers of observation (= the ability to notice things around her) .

她有超人的观察力。

Observation is your best bet.

观察是最好的办法.

And finally, not a reason but an observation.

最后要说的不是(黑眼圈形成)原因而仅是一个观察.

Some interesting observations emerged from this research.

这项研究得出了一些有趣的结果。

Answers questions of competitors during observation time.

回答选手在观察时间所提出的问题.

We try to arrange observation and recording to special astronomy events.

本会对于各类特别天象,尽可能安排观测或记录.

We will be satisfied with a crude observation about the size of M.

我们将满足于关于M的 大小的一个个粗略的估计.

We managed to escape observation (= we were not seen) .

我们设法避开了人们的注意。

an observation post/tower (= a place from where sb, especially an enemy, can be watched)

瞭望哨 / 塔

She has some interesting observations on possible future developments.

她对未来发展的可能性有一些饶有兴味的论述。

'You're an obstinate man,' she said. 'Is that a criticism,' I said, 'or just an observation?'.

“你是个很执拗的人，”她说道。“你这是批评呢，”我说，“还是只是发表评论而已？”

In hospital she'll be under observation all the time.

医院会对她24小时密切观察。

Most information was collected by direct observation of the animals' behaviour.

大部分信息都是通过直接观察动物的行为收集到的。

Method: There are 150 cases for clinical observation, 100 cases for treatment and 50 cases comparision.

方法: 运用乙肝贴敷灵膏治疗慢性乙肝,临床观察150例, 治疗组100例,对照组50例.

The suspect is being kept under observation (= watched closely by the police) .

嫌疑人正受到监视。

He began by making a few general observations about the report.

开头他先对这个报告作了几点概括性的评论。

That is the second time you have made that observation.

那是你第二次作那样的申述了.