• Shorts may cause a PCB to fail other tests and may damage the tester or the board under test if you must apply power to the board.

    短路可能导致印刷电路板不能通过其它测试,在对电路板上后,会损坏测试设备电路板

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  • Because many of circuit board under test are mixed-signal type, the diagnostics database, which is the core of the software, is built by a method, namely Discrete Event Systems theory.

    针对待电路板许多属于数模混合类型,作为软件核心部分测试诊断数据库建立采用离散事件系统法。

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  • The ordinary procedure has been established for composing the mica composite and the thin board. The test under high temperature and medium pressure shows that the mica composite has good propertie

    高温较高压力条件进行试验云母复合材料好的隔热、绝缘和抗静压材料,可以在烧制人造金刚石制品过程取代石棉。

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  • The effect of Astragalus is obviously better than Codonopsis in hot board test and hypoxia tolerance test under ordinary pressure. But there is little difference in low temperature swim experiment.

    其中抗热刺激缺氧实验黄芪作用明显优于党参低温游泳实验中黄芪和党参的作用无明显差别

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  • In China, the ELA exam mainly adopts written test. All the questions are picked from the ELA questions pool and being translated into Chinese under the supervisory of Examination Board.

    中国ELA物流职业资格认证考试笔试为主所有题目由欧洲物流认证管理委员会ELA认证题库中抽取,并经考试委员会指定专家进行汉化。

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  • In China, the ELA exam mainly adopts written test. All the questions are picked from the ELA questions pool and being translated into Chinese under the supervisory of Examination Board.

    中国ELA物流职业资格认证考试笔试为主所有题目由欧洲物流认证管理委员会ELA认证题库中抽取,并经考试委员会指定专家进行汉化。

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