“sex ratio of population”的概念、定义、翻译、参考文献-科学参考

单词	sex ratio of population
释义	sex ratio of population Encyclopedia 理学种群性比释 sex ratio of population种群性比种群中不同性别个体（或构件）的比例。
随便看	pitch discrimination Pitcher pitcher plant pitcher-plant family pitchfork pitchfork bifurcation pitch frequency pitching pitching angle Pitch Lake pitch marks pitch of a helix pitch offset calibration pitchout pitchover pitch/rake pitch range pitch registration pitchstone pitch synchronous overlap add pitch system pitch time pitch／rake side Pitesti pit-filling problem

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