除型式试验和出厂试验之外,按照制造厂之意,或经过制造厂和用户或代理人协商而进行的试验。
对聚醚及阻燃剂作了选择试验。
利用双选择试验,研究岛弯尾姬蜂的寄主选择行为。
Dual choice experiment was used to test the host searching behavior of Diadegma insulare.
以七台河矿区煤矸石为原料,通过改性药剂选择试验和橡胶填充试验筛选最佳表面改性剂。
Using coal gangue of Qitaihe as raw material, the best surface medication agent was screened through the test of medication choosing and rubber filling.
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