speed variation test

基本解释

During the bench the test process, gasoline engine cycle variation leads to speed fluctuations that will reduce control precision of A/F and the credibility of the bench test.
在对催化转化器性能考评过程中，汽油机燃烧循环变动带来的转速波动，降低了空燃比控制的精度，从而影响了考评结果的可信性。
On the basis of ship model basin test, the variation law of ship wave ofcatamaran produced in the whole process from subcritical speed zone to super-critical speed zone is studied.
根据船池模型试验，对双体船的航速从亚临界速度区至超临界速度区的全过程产生的船行波的变化规律进行研究。
The cyclic variation of the combustion pressure in the cylinder of a four-valve gasoline engine was analyzed at low speed and light load with the CB-466 combustion analyzer on the engine test-bed.
在发动机试验台上，用CB-466燃烧分析仪对四气门汽油机低速低负荷燃烧压力循环变动进行了试验研究。