初次试验 preliminary examination ; initial test ; First Trial ; maiden trial

一次试验 primary test ; st trial ; first trial st trial

第二次试验 Second Probation

第一次试验 PTO Primary Tryout

多次试验大纲 multi-test schedule ; test schedule

逐次试验 Sequential Test

多次试验都不错 effective every time it is used ; be often tried and often succeeded ; be found officious as often as it is tried ; befoundofficiousasoftenasitistried

可靠度逐次试验法 reliability sequential test plan

逐次试验法 Approach to sequential testing

机率比值逐次试验 Probability ratio sequential test