The retrieval of a data record in an indexed file by the primary ( or optionally, alternate) key within the data record.

A container can either support strings as its keys, like the root object itself, or can use integers as an alternate key system instead.

容器可以支持将字符串作为其键值，就像根对象本身一样，或者可以使用整数作为备选键值系统。

Sloan was only the alternate ( non-competing) member of the American squad that won the team gold medal at this year's worlds.

斯鲁安是美国队在今年的国际比赛中唯一获得过冠军的运动员。

Mr. Rosengren, who is an alternate member of the Fed's committee on interest rates, also suggested that a weaker global economy and turmoil in the markets might make reaching that level harder.

罗森格伦是美联储利率委员会的候补委员，他还表示，全球经济的疲软和市场的动荡可能使得这个目标更难以完成。

Such a disciplinary measure against a member or alternate member of a local Party committee is subject to approval by the higher Party committee.

对地方各级委员会委员和候补委员的上述处分，必须经过上级党的委员会批准。

The rod bears the alternating load, it is easy to be fatigue broken.

抽油机在工作过程中，光杆长期承受交变载荷，工作环境比较恶劣，极易引起疲劳破坏而断裂，造成落井事故。

However, the curves had two stages when the maximum of alternating load was 55% failure load.

在交变载荷最大值为破坏载荷的55%时，6h内其疲劳/蠕变曲线为两段式曲线。

With changing the amplitude of the AC, power can be supplied to alternating load or power system.

通过改变交流电幅值，实现向交流供电负载供电电或者同交流电网并网。

Research on residual stress attenuation rule of the LDPE tubular reactor under alternating load

聚乙烯自增强超高压反应器交变载荷条件下残余应力衰减规律的研究

Cantilever Beam under Alternating Load Fatigue Cumulative Damage Effect of Experimental Study of Magnetic Force

悬臂梁交变载荷下疲劳累积损伤力磁效应实验研究

Analysis of Shakedown for a Truss Made of Three Members with Alternating Load

交变载荷作用下简单桁架自适应分析

Alternating Load Line and Its Drawing Methods

交流负载线及其正确画法

Probability Calculation of Resisting Fracture under Alternating Load All Changed

变载抗断裂的概率计算

Solving the Alternating Load Line Equation by the General Current Path

由总电流通路求交流负载线方程

The fracture damage behavior of WPC composite under the mutual action of fatigue and creep was studied by means of alternating load test.

利用交变载荷的试验方法，研究了在疲劳/蠕变交互作用下塑木复合材料的断裂损伤行为。

Analyzed operating states of the circuit in detail, brought up control methods for the mode of constant torque loading and alternating torque loading respectively.

详细分析了该电路的运行原理，给出了恒定转矩加载和正弦转矩加载方式下的驱动控制方法。

It has been found that under alternating loading the glide motion of such a group is irreversible.

计算结果表明，在交变载荷作用下有源位错群的滑移运动是不可逆的。

The Strain Fatigue Behavior and Notch Sensitivity of Polymer ABS under Alternating Loading

聚合物ABS在交变载荷作用下应变疲劳性能及缺口敏感性研究

Finite Element Simulation of Quasi-Static Stable Mode I Crack Growth under an Alternating Loading

交变载荷作用下Ⅰ型裂纹准静态稳定扩展的有限元模拟

The life of bending fretting fatigue was significantly influenced by the alternating stresses. The higher stress level was, the lower fatigue life occurred. The S-N curves of bending fretting fatigue appeared shapes of C type.

对于弯曲微动疲劳，交变应力对寿命的影响十分显著，应力水平越高，微动疲劳寿命越低，弯曲微动疲劳的S-N曲线呈C曲线型。

Legs in marine environment will be affected by the cycled waves, and alternating stresses will appear on the legs.

桩腿在海洋环境中会受到波浪的循环作用，在桩腿结构上会产生循环变化的交变应力。