Is it allowed by our present unit and process conditions to receive more than one times pure hydrogen than before?

FORMTEXT要比以往多接收一倍左右的纯氢，我们现在装置和工艺的情况是否允许呢？

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All kinds of factors in influencing the output of sodium nitrite are found by experiment, and forward opinions are given in improving on the present unit.

通过实验，找出了影响亚硝酸钠产量的各种因素。对现有装置的改进提出了意见。

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The present perfect is covered in Unit 8.

现在完成时在第8单元讲解。

《牛津词典》

The researchers then measured the amount of light, or radiance, present in each unit of the grid.

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Later, a Memorial Wall is to be consecrated and the Duke of Gloucester will present medals at the unit's base at Imjin Barracks in Innsworth.

BBC: ARRC troops to be welcomed home in Tewkesbury parade

The old Loral acquired Ford's satellite unit in 1990, and Globalstar emerged in its present form through an alliance that Schwartz struck with a few engineering firms and, most importantly, several large wireless providers.

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