It provided for the train traffic order and ensured traffic safety. At present, the signal design of train control system needs continuous field tests to be improved.

目前列控系统的信号工程设计需要通过不断的现场试验进行完善，这样做的结果是会消耗大量人力和物力。

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Lithologic trap of volcanic rock body is a new object in the deep exploration in Songliao Basin and is a main continuous field of the deep natural gas exploration of Songliao Basin.

火山岩体岩性圈闭是松辽盆地深层勘探遇到的新对象，是松辽盆地深层天然气勘探的主要接替战场。

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The aircraft is massive—as long as a football field and as tall as 6 double decker buses and capable of continuous flying for up to 5 days.

这架飞机有足球场那么长，有6辆双层巴士那么高，最多可以持续飞行长达5天。

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Although they have not been found to cause any harm, the cables on conventional pylons, which transmit a three-phase alternating current, generate a strong electric field and a continuous buzz of low-frequency radio waves.

ECONOMIST: Monitor

Panasonic's advanced battery technology, the Toughbook C1 delivers up to ten hours of battery life, enabled by a twin hot-swappable battery design that allows for continuous use, pushing productivity in the field to a new level.

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To keep the thousands of oil field workers from clogging the one artery to the oil sands, 500 buses run in a continuous loop from Fort McMurray to the oil fields.

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