A minim moisture content sensor for SF 6 gas measure on-line was studied.
研制了一种在线式SF6气体微水含量检测传感器.
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The isotope analysis of minim lead in the gold dust has special meaning.
砂金中的微量铅同位素分析具有特殊的意义.
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。结果:(1)乳腺癌的超声表现:不规则形或圆形,纵横比1,边缘毛刺,边缘成角,后方声影,微小钙化,较丰富血流、不规则血流。
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