... positive causal link 正因果链 positive density 正密度 positive economics 实证经济学 ...
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positive density difference 正密度差
positive density-dependent factor 正密度依变因子
positive ion density 阳离子密度
positive charge density 正电荷密度
positive optical density 阳性光密度
positive fiber density pfd 阳性纤维面数密度
ache-positive fibers density 皮质胆碱能纤维密度
insulin positive cell density 胰岛素
fixed positive charge density 固定正电荷密度
The blending volume of negative density difference displacement is much less than that of the positive density difference displacement.
负密度差顶替时掺混量比正密度差顶替小。
The positive electrodes are often made from lithium iron phosphate. Corvus, however, USES lithium nickel manganese cobalt (NMC) because it provides a greater energy density.
锂电池的正极一般是用磷酸锂铁制作，而乌鸦公司却使用能量密度更好地镍钴锰酸锂来制作锂电池正极。
MAIN OUTCOME MEASURES: Positive cellular percentage, density and grayscale of heat shock protein 70 in the rats' hippocampus.
主要观察指标：大鼠海马热休克蛋白70阳性细胞百分率、密度和灰度值。
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