... preevacuating 前级真空的 pre-evaluation test 初步评价试验; 预备性鉴定试验 pre-evaporator 初步蒸发器; 初步蒸馏器 ...
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试验初步证明，所建的神经网络系统的学习和评价效果都令人满意。
The learning and evaluation effects of the artificial neural network in this system are preliminary proved to be satisfactory by tests.
本课题拟通过调查、试验等方法，初步建立一个高中化学新教科书配图的评价指标体系。
The paper is just a study on establishing the system of evaluation to evaluate high school chemistry textbook illustration.
方法：分别通过溶血试验、口腔黏膜刺激试验、细胞毒性试验(MTT法)和急性全身毒性试验，初步评价纯钛表面聚吡咯涂层的生物安全性。
METHODS: the biological safety was evaluated through the experiments including hemolysis test, short-term systemic toxicity test, oral mucous membrane irritation test and cytotoxicity test (MTT test).
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