The multiple beam sonar system for terrain survey has met the system's requirement via the results of pool static experiments.

通过水池的初步静态实验，我们研制的多波束地形探测声纳系统已经达到了了系统的设计要求。

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Nowadays, in mountain railroad engineering survey, the efficiency of traditional leveling method is low, is very difficult to practice because of terrain undulation being big.

目前在山区铁路工程测量过程中，由于地形起伏较大，传统的水准测量效率低，非常难以实施。

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How to improve the accuracy of terrain correction in mountainous-district gravity survey is an important subject which people have paid close attention to.

在山区重力勘探中，如何提高地形改正的精度，一直是一个引人关注的重要课题。

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Many Kenyans would rather forgo air conditioning, leather seats and automatic windows for all-terrain performance, reliability and cost, according to a survey Jackson ran of 1, 500 potential car buyers in Kenya.

FORBES: One Man's Drive To Change Africa With A Stripped-Down Car