退化的例句大全

The present paper covers the Hopf points bifurcating from double fold points, and gives some computable nondegeneracy conditions and stability conditions of these Hopf points.

本文研究从双重折叠点分支出的Hopf点，给出了可计算的非退化性条件及稳定性条件。

The vegetation degradation has occurred in the HHH zone in recent years;

同时发现近年来研究区植被覆盖有退化的现象；

Hypodermal archesporium is 2 or 3 cells; a single cell well developed into megaspore mother cell. Undergoes meiotic divisions, produces a linear tetrad.

大孢子孢原细胞2~3个，其中1个发育为大孢子母细胞，大孢子母细胞减数分裂形成直线四分体，合点端的大孢子为功能大孢子，珠孔端3个大孢子退化。

Design of accelerated degradation tests with several stresses based on Wiener process

基于Wiener过程的多应力加速退化试验设计

She degenerates into a mere slut!

她退化成为一个懒婆娘了！

After a period of growth, newly shells which were similar to adults came out near side of glochidium shells, which were degenerating as shell bottom gradually.

稚贝经过一段时间的生长，从幼虫壳内侧长出一对新壳，形态逐渐趋向于成贝，而幼虫壳则逐渐退化为壳顶。

This paper discusses the effect of nonnatural factors such as agricultural production system and farming practices on soil fertility. Special attention was paid to the effect of soil fertility degradation on sustainable agricultural development.

研究建国以来农业生产体制、耕作方法等人为因素对土壤肥力的作用以及由此造成的土壤肥力退化对农业可持续发展的影响。

Degeneration of Savageness and Change of Art: On CAO Yu's Plays after 1949

蛮性退化与艺术的改道&论曹禺后期戏剧创作

We completely determined the structure of Derg of the 3-solvable non-degenerate Lie Algebra, g.

进而给出了三次可解型非退化李代数的一个等价条件，并且详细地刻画了它的导子李代数的结构。

Overgrazing and reclaiming cause the deterioration.

过度放牧和草原垦殖是导致草地退化的主要人为因素。

Alzheimer's disease ( AD ) is a progressive type of affecting a large number of the elderly population.

老年痴呆症 ( AD ) 是一种渐次性的中枢神经系统退化性疾病,其症状主要表现为记忆力下降,思维障碍以及行为异常等.

The deficiencies and recursive formulas of Bernstein polynomials for piecewise quadratic functions

分段二次函数的Bernstein多项式的退化性及递推公式

This finding indicates an alternative mechanism cell death that can also explain cancer regression.

这个发现说明,有两种机制都可以解释癌症的退化.

Age-related macular degeneration ( AMD ) is another eye condition ASR could help, according to the Chow brothers.

据周氏兄弟称,与年龄有关的''.'黄斑'.''退化 ( amd ) 是人造硅视网膜能有所帮助的另一种眼玻.

The main results were as follows: 1. Observed a great deal of JWB plantlet, we found that, small leaves, short burl distance, thin stem, more axillary bud, stipule thorn became leaves bigger, is the JWB representative symptom;

1对枣疯病组培苗的观察结果发现，叶片小，节间距短，茎细，腋芽萌发多，托时刺退化成的小叶大是组培苗发生枣疯病的典型症状；

According to the degradation status of Honghe NNR's water resources and its wetland ecology developing rules, it is believed that the water needs amount of the reserve should be analyzed and calculated based on the two processes of static water needs and dynamic water needs.

基于洪河国家级自然保护区水资源退化现状及湿地生态规律，认为洪河保护区水资源需求应从动态需求和静态需求两个方面来综合分析与计算。

Causes for degradation of isolated stripe ( GaAl) As/ GaAs DH lasers by proton bombardment

（GaAl）As/GaAs质子轰击隔离条形DH激光器的退化原因

The character of macrospore in development were as followed: anatropal ovule, basal placenta, thick nucellar, two integument, megaspore mother cell coming directly from archesporial cell, early degenerating antipodal cell, thedevelopment of the embryo sac being conformed as the polygonum type.

雌配子体发育的特点是：倒生胚珠、基底胎座、厚珠心、双珠被、孢原细胞直接长大成大孢子母细胞、反足细胞退化早，胚珠发育为蓼型。

This proved that soil erosion will directly result in the degradation of soil structure& physical behavior.

验证了水土流失直接导致土壤结构、土壤物理性状退化、变差的结果。

In this paper, we focus on the morphological transition from bisexual to unisexual flower development in A.altissima.

臭椿单性花的形成是由于两性花中雌蕊原基的退化所造成，其机理有待于进一步研究。