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出生性别比
释义
出生性别比
Encyclopedia
法学
生育率
释
sex ratio at birth
出生性别比
在特定的时间和空间范围内出生时的活产男婴数与活产女婴数之比。又称出生人口性别比、第一性别比。
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low NOx combustion technology
low NOx emission combustion
low NOx pulverized-coal burner
low nutrient-low production(LNLP)regions
low observable
low observable technology
low-order model
low pass filter
low-pass filter
low pass filter, low-pass filter
low-pass filter or RC integrating circuit
low-pass filters
lowpass filters
low permeability reservoir
Low permeability sand reservoir development
low power light emitting diode chip
low power light-emitting diode package
low power objective
low power processor
low power technology
low-power telescope
low-power theorem
low pressure carburizing
low pressure casing spray
low pressure casting
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更新时间:2026/6/18 5:51:43