The exhaust gas ingredients of pulse engines, with five different combustion chamber volumes, throttle valve at small, middle and wide opening positions respectively, are tested.

对五种不同燃烧室体积的脉冲发动机在小、中和大油门开度三种供油条件下测定其排放物。

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Academics have a habit of crawling along the frontiers of knowledge with a magnifying glass, blind to the wide vistas opening up before them, and often reducing the most engaging subjects to tedious debates about methodology.

ECONOMIST: Celebrity professors are a good thing. Really

Enlightenment was the opening wide of human intellect to reach for the stars and beyond.

CENTERFORSECURITYPOLICY: Center For Security Policy

This seems like an opening wide enough to drive a Silverado through, much less a Volt.

FORBES: Memo To McCann, Mahoney: Come Up With Better Volt Ads