It is difficult to realize dynamic measuring for valve mechanism with a direct action type hydraulic lash adjuster due to its compact structure and shorter driving chain of valve mechanism.

直动式气门机构液压间隙调节器，由于结构紧凑、气门机构传动链短，难以实现动态测量。

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It is difficult to realize dynamic measuring for valve mechanism with a direct action type hydraulic lash adjuster (HLA) due to its compact structure and shorter driving chain of valve mechanism.

直动式气门机构液压间隙调节器(HLA)，由于结构紧凑、气门机构传动链短，难以实现动态测量。

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When a simulated chemical strike occurs, the officer must direct vehicles around the battlefield, assess what type of strike it is, and take appropriate action by issuing orders to the right personnel via on-screen maps and buttons.

ECONOMIST: Serious games