零点: null point; zero end; zero p ...突变: sudden change; change sudden ...零点突变型: zero point mutant操纵基因零点突变: operator zero点突变: point mutation操纵基因零式突变,操纵基因零点突变: operator zero mutation定点突变: rite-directed mutagenesis; site-directed mutagenesis; site-directed mutation基因点突变: point mutation起点突变: zero point mutation; zeropoint mutation认可点突变: accepted point mutation受点突变: accepted point mutation随机点突变: random point mutation真点突变: true point mutation; truepoint mutation终点突变: end point mutation沉默位点突变: silent site mutation第二位点突变: second-site mutation特定位点突变: specific locus mutation单基因突变,点突变: single gene mutation矮胖亚位点突变率: dumpy sub-loci mutation rate点突变修复机制: point mutation repair mechanisms定点诱变,定点突变,位点专一诱变: site-specific mutagenesis零点: null point; zero end; zero point; zero; zero hour; null (函数或曲线的)◇零点标准(额) the nil norm (政府制定的最低工资与加价标准); 零点方案 zero option; 零点人口增长率 zero population growth; 零点特性 null characteristics; 零点运动 zero point motion; 零点调整 zero adjustment; zero setting突变: 1.(突然急剧的变化) sudden change; change suddenly; transilience; accident; saltation; revulsion; idiovaviation; jump; abrupt change 认识过程中的突变 a sudden change in the process of cognition; 天气突变。 there was a sudden change in the weather.2.[生物学] mutation 自发突变 spontaneous mutation; 突变体 mutant 点突触电位: focal synaptic potential对砧点突起: antipodal bulge