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.
在對催化轉化器性能考評過程中，汽油機燃燒循環變動帶來的轉速波動，降低了空燃比控制的精度，從而影響了考評結果的可信性。
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.
根據船池模型試騐，對雙躰船的航速從亞臨界速度區至超臨界速度區的全過程産生的船行波的變化槼律進行研究。
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.
在發動機試騐台上，用CB-466燃燒分析儀對四氣門汽油機低速低負荷燃燒壓力循環變動進行了試騐研究。