1) sharper threshold
最佳门槛
1.
We investigate the sharper threshold phenomena associated with the non- linear SchrSdinger equation with a harmonic potential,where the answer to questions of global existence vs.
通过构造两类强制变分问题和建立局部不变半流,运用势井方法和凹方法,获得了该方程在两个不同的空间中的整体解和爆破解的最佳门槛条件。
2) threshold
[英]['θreʃhəʊld] [美]['θrɛʃhold]
门槛
1.
Threshold of Global Existence for a Class of Nonlinear SchrSdinger Equations with a Harmonic Potential in R~N;
一类带调和势的非线性Schrdinger方程在R~N中的整体解存在的门槛
2.
It indicates that the key to increase service life of component lies in shortening final crack length ofmicro-short-crack expansion and increasing physics-short-crack threshold demension.
建立了疲劳寿命估算模式,阐述了疲劳寿命的影响因素,指出提高构件使用寿命的关键在于缩短微观短裂纹扩展的终止裂纹长度,增大物理短裂纹扩展的门槛裂纹尺寸。
3.
The results show that there exists a relevant stress threshold for each of the four stresses so that the ratcheting deformation happens and its SR strain increases or decreases in a line like law with the stress as it gets over or below its threshold.
在大量单轴棘轮实验基础上 ,研究了均值、幅值、峰值和谷值应力对 30 4不锈钢的饱和棘轮应变的影响规律 ,首次提出了棘轮应力σr和棘轮门槛值σrth 的概念 ,建立了基于单参数控制的、用于饱和棘轮应变预测的 SRM饱和棘轮本构模型和用于独立循环应力工况下棘轮应变演化预测的 REM棘轮演化模型 ,并由此发展了全面描述任意循环应力工况下棘轮应变演化规律的 URM棘轮演化统一模型。
4) optimum switching-level
最佳门限值
5) high-efficiency shooting area
最佳射门区
6) the lowest economy threshold of urbanization
城市化最低经济门槛
1.
The course of urbanization of China and other countries prove: The mechanism of hobo of city and the lowest economy threshold of urbanization decides the course of urbanization of rural population having entered city.
通过对比中外城市化进程发现 :城市流动人口与城市化最低经济门槛作用机制对于进城的农村人口顺利城市化起着至关重要的作用。
补充资料：门槛
1.门框下部挨着地面的横木(或长石等)。 2.借指门﹑门口。 3.比喻界限，关口。 4.方言。窍门。亦指找窍门或占便宜的本领。
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