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单词
家蚕微粒子病
释义
家蚕微粒子病
Encyclopedia
农学
〔蚕传染病〕
释
bombyx mori pebrine disease
家蚕微粒子病
由家蚕微粒子虫引起的,以蚕期蚕体瘦细、萎缩,蛹期腹部膨大松软,蛾期交配力差,卵粒稀少,不受精卵及死卵多等为特征的蚕传染病。
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mean oscillation
mean oval
mean over the column
mean over the period
mean over the row
mean parallax
mean-periodic function
mean photoelectric magnitude
mean photographic magnitude
mean photovisual magnitude
mean place
mean pole
mean pole of the epoch
mean position
mean-power approximation
mean product
mean profile
mean proportional
mean pulse
mean p-valent function
mean-quadratic regression
mean radial velocity
mean radiant temperature
mean radiation intensity
mean radius of curvature
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