1) mutation environment string
变异环境串
1.
, the cross base bit is employed to accelerate the optimizing process, and the mutation environment string is used to simulate and produ.
同时给出了ＧＡ对于有约束问题的几点改进方法：用交叉基始位加快进化进程、用变异环境串来激励出更优秀的个
2) environmental variation
环境变异
1.
Four rice genotypes with remarkably different grain phytic acid(PA) content,namely Xiushui110 and its low phytic acid mutant(HIPj),and Xieqingzao and its low PA mutant(HIPi),were used to investigate the environmental variation of rice PA content and also its relation to rice total protein and some mineral elements by a field experiment with four different locations in Zhejiang Province.
选用秀水110、协青早及其低植酸突变体(HIPj和HIPi)为材料,在浙江省的4个不同地点种植,对水稻籽粒中植酸含量的环境变异特征及其与矿质元素、粗蛋白含量的相关性进行了分析。
3) water environment quality degradation
水环境变异
5) groundwater environment variation
地下水环境变异
6) geological environment variation
地质环境变异
1.
Through concrete examples,the causes of four project accidents related with water owing to geological environment variation are analyzed.
介绍了四个地质环境变异导致的工程事故。
补充资料：海洋自然地理环境(见自然地理环境)
海洋自然地理环境(见自然地理环境)
marine physical geographic environment
haiyang ziran dili huaniing海洋自然地理环境(marin。phys、calgeograPhic environment)见自然地理环境。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条