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1·A number of techniques developed since the 1950s, however, have placed the study of these subjects on a sounder and more objective footing.

但是，自二十世纪五十年代以来一些技术的发展为这些学科的研究提供了更健全、更客观的基础。

2·You'll sleep sounder for this.

你会因此睡个好觉的。

3·You'll sleep the sounder for it.

这么一来你可以睡得更酣些了。

4·They will help me to do sounder decisions.

他们都会帮我作出有道理的决定。

5·My analyses and judgments seem sounder than before.

我的分析和判断似乎比以前更为正确。

6·Use echo sounder frequently when passing shallow water.

通过浅水域时，要常用回声仪测深。

7·The Parktronic system operates on the echo-sounder principle.

驻车定位系统根据回波发声器原理工作。

8·There are sounder reasons for the firm to move to the NYSE, too.

转战纽交所还有更充分的理由。

9·And they were placed towards the outside, because they were found to be sounder.

他们被置于对外界的，因为他们被发现将更加健全。

10·Inspection installation and water tightness transducer of echo sounder on berth.

测深仪换能器船台安装和水密性检查。

(1)echo sounder回声测深器