The downward air outlet of front protective cover reduces heat radiation against the engine and improves reliability of cooling system in the meantime.

前机罩护栅出风口朝向斜下方，减少了对发动机的热辐射，增强了冷却系统的可靠性。

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The paper mainly focuses on the design of the reasoning engine of the radar radiation recognition expert system.

本文主要讨论了雷达辐射源识别专家系统中推理机的设计。

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The heat radiation in cylinder of a high speed light load compression ignition engine is measured using a heat radiation sensor.

在一台小型高速单缸压燃式发动机上，利用商用辐射传感器测量了缸内辐射传热量。

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The amount of radiation likely won't change unless there's a rocket engine developed that can speed up the interplanetary ride, researchers said.

NPR: Astronauts Face Radiation Threat On Long Mars Trip