The application of portfolio is still in test stage, it is a program that need to explore.

成长记录袋的应用还在试验阶段，是一个需要探索的课题，本文主要从实践方面进行了探索。

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Pulse corona discharge is one of the methods which producing plasma is in industrial test stage.

脉冲电晕放电是产生等离子体的方法之一，目前已达到工业性试验阶段。

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In the last evaluating test stage, we need to make an objective appraisal on the software quality and the quality of the test job.

最后的评估阶段则要对软件的质量和测试工作自身的质量做出一个客观的评价。

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U.S.officials say no part of the three-stage rocket reached orbit and the launching was a thinly-disguised test of a long-range ballistic missile that was banned under a 2006 U.N.resolution.

VOA: standard.2009.04.15

Figure out what I'm trying to walk through What's the collection of things I'm trying to walk through. Figure out what I want to do at each stage. Figure out what the end test is.

弄清楚需要遍历的东西,弄清楚我需要遍历的东西的集合,弄清楚我在每一步该做什么,弄清楚终结测试。

麻省理工公开课 - 计算机科学及编程导论课程节选

U.S.officials said no part of the three-stage vehicle reached orbit, and that in any case it amounted to a long-range ballistic missile test forbidden under a Security Council resolution that followed its October 2006 nuclear test.

VOA: standard.2009.04.14

The 20, 000 who make it to the second test stage compete for 3, 000 entry spots.

FORBES: Boot camp for engineers

If Joyce can maintain his rich vein of form then the man from the cricketing backwaters of Dublin may soon be strutting his stuff on the Test stage.

BBC: SPORT | Cricket | Joyce ready to seize his chance

AdKeeper has already debuted its service in beta-test stage.

FORBES: Is "Ad Keeping" The Next Frontier?