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middle test; pilot study | |||
pilot-plant test; semiplant test | |||
intermediate testing | |||
pilot project | |||
pilot test | |||
intermediate test | |||
intermediate scale experiment; pilot experiment; pilot plant test; pilot testing; semi-plant test | |||
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pilot experiment | |||
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brassboard |
中间 试 验 : 71 phrases in 15 subjects |