due to the slow pace which is favorable to relax the nervous mentality, the regimen tai chi is created to keep the ________.
科学研究中误差可以分为()、()和()三类。
遗传度是
数量性状的变异分布
使眉间皮肤产生“川”字纹的是_____。
实验设计的三个基本要素是()
碱基被替换后，不编码氨基酸的密码子变为编码氨基酸的密码子，这一突变属于终止密码突变。
经过发包人同意的分包工程，承包人择的分包人需要( )。
the screen wall facing the gate blocks the external line of sight to maintain______ of the family.
based his theory on observation, _____ believed that people should trust their sense to gain ideas of the world, because he was from the background of biological science.
单纯随机抽样了解总体均数所需样本含量估计与()，()，()有关。
组成dna分子的单糖是
what are the similarities and differences between chinese and greek creation stories?
儿童的游戏有多种分类，皮亚杰将游戏分为____。
基因发生突变时，正突变率与回复突变率之间
in american literature, the enlighteners were opposed to ________ .
关于衡量投资方案风险的下列说法中，正确的有()。
下列哪种不是dna中的碱基（）
核小体是一个以（ ）为单位的多聚体。
chinese poetry and philosophy have exerted great influence over _____.