selection pressure的例句大全

furthermore, the transformation frequency was increased when selection pressure was removed in the stage of plantlet differentiation during the whole hygromycin selection period.

此外，在筛选时期适当加大筛选压力，分化时去掉筛选压力，壮苗时加适当的选择压力，可提高转化率。

The changes of susceptibility to deltamethrin were correlated with the selection pressure.

家蝇对溴氰菊酯的敏感性变化与药剂中溴氰菊酯的选择压有关.

During breeding for vertical resistance, horizontal resistance tends to decline because of negative selection pressure.

当培育垂直抗性时,由于负的选择压力, 水平抗性趋于下降.

selection pressure for this efficient style of locomotion favored longer and more flexible spinal columns.

受天择压力，他们朝向耗能较少的移动模式演化，因而脊椎柱更长，更灵活。

Evolutionary selection pressure has probably entrenched the behavior in social animals such as ourselves.

其原因大概是由于进化中的适者生存的压力固化了像我们这样的社会性动物的行为.

Entropy and natural selection pressure and their applications to population genetics of forest tree

熵和自然选择压及其在林木群体遗传学中的应用

ERIC ( IRU) is highly conserved, for its variation is restricted by the natural selection pressure, or it's "selfish DNA".

ERIC（IRU）高度保守，可能其变异受到自然选择压力的限制或它本身就可能是自私的DNA。

To provide a theoretical basis for the conical stylus cone angle selection. ( 2) Analysis of the stylus tip radius and the stylus static pressure causing timber roughness parameter measurement error, calculation of the roughness measurement error value caused by the different tip radius.

分析触针针尖圆角半径和触针静压力引起的木材粗糙度测量误差，计算不同针尖半径造成的粗糙度测量误差值。

It introduces the conditions for the fuselage static disk to be installed through position selection. The Position where the disturbance pressure is zero will have the true atmosphere static pressure detected.

阐述了机身静压盘选位安装的条件，安装在机身上扰动压力为零的点位处就能探测到真实的大气静压。

For the strategy selection, take the latest terminal buffer technology combined with the router pattern, largely alleviated the terminal pressure and the possibility of the congestion.

对存储策略的选择采取了目前最新的终端缓存结合路由器模式进行管理，很大程度上缓解了终端的压力和出现拥塞的可能。

Optimization and Selection of Pressure Increasing Pump for Sprinkle Irrigation System

喷灌系统加压泵的优化选型

Reasonable Selection of Acid-Resistant Steel in Oil/ Gas Pipeline and Pressure Vessel Design

压力容器和油气管道设计中抗酸性钢材的合理选用

Flexible Design of Pressure Pipeline and Selection of Metal Bellows Expansion Joints

压力管道柔性设计及金属波纹管膨胀节选用

Reasoning system of welding groove selection of pressure vessels

压力容器焊接坡口选择的推定系统

Effective solutions are proposed for the selection of independent circuit, calculation of density for varying water temperature, calculation of thermal pressure and simulation of pump characteristic curve in numerical simulation of pipe networks.

对管网数值仿真中独立回路的选择、水温变化时密度的计算、热压的计算、水泵特性曲线的模拟等均提出了有效的解决方法。

Threshold pressure gradient selection in polymer flooding process

聚合物驱油过程中的阈压梯度选择

The Male Quality Model ( MQ) and the Local Resource Competition Model ( LRC) suggest that this phenomenon is a response to sexual selection and resource competition pressure, respectively.

雄性质量模型（MaleQualityModel，MQ）和栖息地资源竞争模型（LocalResourceCompetitionModel，LRC）分别将这种现象发生的机制解释为物种对性选择压力和资源竞争压力的回应。

It introduces detected content of water pressure in large strong punning area 、 selection of equipment and arrangement plan, and illustrates erection and debugging of pore water pressure gage to monitor variation of water pressure.

介绍了大面积强夯区域孔隙水压力检测的内容、仪器选择及布设方案，阐述了孔隙水压力计的安装埋设与调试，以准确监测在强夯前后土层孔隙水压力的变化。

The selection of high pressure syringe parameters in contrast-enhanced spiral CT

螺旋CT增强扫描中高压注射器参数的选择

Selection of the Policy under the Pressure of Revalue of RMB

人民币升值压力下的政策选择