Thus a negative strain produces a decrease in length.
因此，应变产生的负面镌汰长度。
And the effects under the control laws of negative strain rate feedback and positive strain feedback are compared.
比较了应变率负反馈和应变正反馈控制律的控制效果。
Uniaxial prestrain will obviously improve the forming limit on positive strain ratio zone, while it has little effect on negative strain ratio zone.
单拉预应变路径将显著提高正应变比区的成形极限，而对负应变比区的成形极限影响不大。
Equiaxial prestrain will obviously decrease the forming limit on positive strain ratio zone, while it slightly improves the forming limit on negative strain ratio zone.
等双拉预应变将明显降低正应变比区的成形极限，对负应变比区的成形极限有所提高。
With the increment of impact velocity, the new material appears positive strain rate sensitivity, but when the increment reaches a certain degree, the material shows negative strain rate sensitivity.
随着冲击速度的提高，材料具有应变率正敏感性，但到一定程度材料反而显示出应变率负敏感性。
One way to improve eyesight is to control negative emotions like angry, frustration, resentment and strain.
一种提高视力的方法是控制负面情绪，比如愤怒、沮丧、怨恨和紧张。
The math anxiety would bring negative impact on pupils' math study such as strain, uneasiness, fear and so on, and would imperil their physical health.
数学焦虑对小学生的数学学习能产生紧张、不安、畏惧等消极影响，威胁着小学生的身体健康。
Gravity variation distribution in high negative value region is just consistent with the second shear strain's high value region of strain field obtained from GPS observation.
重力负值变化高值区的分布与GPS观测给出的应变场第二剪应变高值区一致。
Higher lateral deformation and Poisson's ratio as well as negative volumetric strain can be reached for higher pore pressure even though axial strain of specimen is lower.
较高的孔隙压力，即使试样的轴向应变为低，可以达到较高的横向变形和泊松比，以及负体积应变。
The strain was gram negative, ellipse cell, no spores and no flagellum.
菌株细胞呈椭球形，革兰氏阴性，不产芽孢，无鞭毛。
The critical plastic strain for the onset of serrations has a negative or positive temperature coefficient within the temperature region lower or higher than Tt.
在该温区内，应变速率敏感性出现了负值， 强度出现了一个平台；
The relationship between the residual strain and cyclic Numbers accords with the power of negative index under the cyclic loading and unloading pore water pressures.
在循环加、卸载孔隙水压力作用下，残余应变与循环次数的关系符合乘幂负指数关系。
The EW-trending strain variation along the western margin is the maximum and it is characterized by the alternatively positive and negative variations from the west to the east;
东西向应变西边缘变化最大。 此外，由西向东还具有正负交替的变化特征；
If the strain exceeds the tolerable limit, the Si-O-Si linkage can break easily at high temperature and lead to the creation of positive and negative charges on silicon and oxygen atoms, respectively.
如果张力超过耐受极限，硅氧烷键就很易在高温下发生断裂并在硅和氧原子上分别形成正负电荷。
This experiment studied Gannong Strain (developed from black pig of Gansu) and the Large White of USSR, and their fattening properties after their positive and negative cross - breeding.
本试验较详细地研究了正在培育的甘肃黑猪甘农系群与苏联大白猪及其正反杂交猪的肥育性能。
This experiment studied Gannong Strain (developed from black pig of Gansu) and the Large White of USSR, and their fattening properties after their positive and negative cross - breeding.
本试验较详细地研究了正在培育的甘肃黑猪甘农系群与苏联大白猪及其正反杂交猪的肥育性能。
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