long-time testing meaning in Chinese

长时间试验

Testing of plastics articles ; determination of the effect of internal pressure on hollow objects by long - time test
塑料制品的试验.长时间试验内部压力对空心物体作用的
The test anxiety is caused by various factors , such as the physical and psychological ones of individual , and those of social situations . we should try to curb it ' s influence when the students are suffering intense and long - time test anxiety
考试焦虑形成的原因是多种多样的，既有个体的生理心理因素，也有外在的社会环境因素，当学生出现过高程度或过长时间的考试焦虑时，应当采取有效的手段加以控制。
There are four devices installed in the test - bed and therefore four different types of testing for rotary sealing rings can be conducted synchronously and separately as well . each device can be driven with its own motor for a long - time testing . each device also can be used for a single testing
此试验台在主机上设有四个独立的试验装置，同时可供四种不同规格的密封环试验，其中每个装置均由单独的电机驱动，进行长时间的回转试验，也可单独控制每个试验装置进行试验。