retrogress

The stability of the high-yielding mutant was tested , the result showed that after passing 3 generations , the strain began to retrogress and the total titer had a substantial decline .

同时通过对高产菌株进行传代培养检验其传代稳定性，结果表明，传代3代后，菌株开始退化，并且其发酵效价有比较显著的下降。

The six chapter analyses the changes of the political and economical living conditions of the clan in Song dynasty , the imperial policy limit and the retrogress of the Lv 's family made it 's power not last as long as the old noble family .

第六章分析其家族生存的社会政治经济条件的变化，君主的限制及吕氏自身的退化，使得吕氏势力无法像旧日的门阀士族长久不衰。

Irrigation can improve the productivity and slacken the process of retrogress .

灌水能提高苜蓿产草量，并减缓衰退过程。

However , overall , US-Russia relationship will not retrogress to the state in the Cold War period .

然而从总体上审视，美俄关系不会倒退回冷战时期。

Sea-level rise has , some impacts on coastal erosion and retrogress .

海平面上升对海岸蚀退有一定影响。

After the Crisis , the economies of developing countries would usually retrogress to where they were 10 years or even decades ago .

一场危机过后，发展中国家的经济往往要倒退十几年甚至几十年。

As Japan took the route of militarism , its culture began to retrogress the writers degenerated .

随著日本发动侵华战争步上军国主义的道路，其文化也走向倒退。

Inefficiency was retrogress , immovability or increase of 0.1 of sight ;

无效为视力退步、不变或提高0.1；

Deviate from socialism and China will inevitably retrogress to semi-feudalism and semi-colonialism .

中国离开社会主义就必然退回到半封建半殖民地。

In today 's feminine literatures , this traditional concept has been challenged , and males gradually retrogress from center to periphery in women 's world .

在新时期女性主义文学中，这种传统观念遭到挑战，男性逐渐从女性世界的中心地位移居边缘。

At the autumn of eggs , follicular cells started to retrogress sequentially from the inner layer to the outer layer , sinuses atrophied .

在卵子成熟期，滤泡细胞由内向外依次解体，血窦萎缩。

Anything deviated from the " essence " must be a retrogression . The end of all retrogress is certainly a new beginning , that is essential return .

任何对本质的偏离必然是退步，而一切退步的尽头则是一个崭新的开始，即本质的回归。

The study of retrogress grassland species structure and diversity under the wasteland and Caragana forest with different density recover measures in Mu Us sandy land showed that the planting Caragana forest played a positive role in vegetation restoration .

以宁夏毛乌素沙地退化草原区为研究对象，对荒地（对照）和种植不同密度的柠条林的恢复措施条件下群落结构及多样性进行研究。

Social existence determines social consciousness is the basic research method of this paper . By using this method , the author analyzes one aspect of institution-moral in economics and evaluates the progress and retrogress of moral by the standard of efficiency of social colony cooperation .

本文以社会存在决定社会意识为基本方法，对道德这一制度形态进行了经济学分析，并以社会群体的合作效率为评价标准，定义了道德的进步与道德的退步；