查询词典 increment of a function

It has three important properties: it has stationary and independent increments, and every increment is a normally distributed stochastic variable.

布朗运动具有三个基本性质：第一是独立增，第二是稳态增，第三是增量是服从正态分布的随机变量。

The results show that the delay angle between stress deviation and strain increment tensor firstly exhibits a large variation range, and then drop to saturation as the plastic deformation processes.

结果表明：应力矢量和应变增量矢量之间的滞迟角在循环变形初期表现为较大的变化幅度，随着塑性变形的进行，变化幅度逐渐减小，并趋于稳定。

The basic equations of structure are derived from Hamilton variational principle and the constitution of material utilizes the increment theory.

基于Hamilton变分原理导出圆柱壳的运动方程，本构关系采用增量理论，借助增量数值算法求解动力方程组。

TAUNTON, Mass.- General Dynamics C4 Systems announced a ＄78.3 million initial order from the U.S. Army as part of an indefinite delivery/indefinite quantity contract worth up to ＄1.4 billion for Warfighter Information Network-Tactical Increment One, which provides U.S.

通用动力C4系统公司宣布，作为不定期交货/不定数量、价值14亿美元的作战信息网络——战术增量1合同的一部分，美国陆军日前授予该公司一份价值7830万美元的初始合同。

The media gateway system is a sub-system of the telegraphy increment business development platform.

基于API的媒体网关是一套电信增值业务平台的子系统。

The phase of ω0 frequency fluctuates tempestuously. The resonance peaks of flexural and torsional vibrations response are present at 2/3ω0 1/2ω0 1/3ω0 and 1/4ω0 with three kinds cracked rotor models. Near 1/2ω0 frequency, quasi-periodic and chaotic motions maybe appear. Periodic, quasi-periodic and chaotic motions show on alternately when the rotating speed is near to 2/3ω0.Combined step-by-step integral method with traditional transfer matrix method, an increment transfer matrix method is put forward.

研究结果表明：各种故障情况下，华北电力大学博士学位论文弯振和扭振之间都存在祸合关系，但弯扭祸合振动一般不会威胁机组安全运行：在叶片丢失或滑环飞脱故障时，将产生很大的弯振，同时各转子扭振也将被激发出来，它以工倍频和前三阶固有频率为主；在各种电气故障情况下，各转子都很快被激励出较大幅值的扭振来，相应各转子弯振也发生一定的变化，但它的变化明显滞后于扭振，扭振和扭矩主要以前三阶固有频率为主。

The present invention relates to a method for heuristically starting up DC brushless servo electric machine, including the following steps of (1) after powerup of an increment type photoelectric encoder, electrifying a stator winding two by two with identical time interval to generate six-directional stator winding resultant magnetic fields;(2) detecting six different angles rotated by the rotor within identical tiny time interval by the photoelectric encoder;(3) selecting most positive value rotation angle from the six different angles, and determining maximum torque corresponding to the stator winding resultant magnetic field, and implementing servo startup using the maximum torque as constant starting torque;(4) after the zero-point signal of the photoelectric encoder occurring, switching to servo operation with normal constant torsion.

本发明直流无刷伺服电机试探启动方法，采用如下步骤：(1)增量式光电编码器上电后对定子绕组采用相同的时间间隔两两通电，顺序产生六个方向的定子绕组合成磁场；(2)由增量式光电编码器检测出转子在相同的微小时间间隔内分别转过的六个不同的角度；(3)从转子六个不同的角度中选出最大正值的转角，确定相应定子绕组合成磁场对应的最大转矩，并以该最大转矩为恒定启动转矩进行伺服启动；(4)当增量式光电编码器零点信号出现后，切换为正常恒转矩伺服运行。

The optimal design and topology commutation can been carried out automatically on the various types and scales of humps through using the comer increment method, the method of point intersection of trochoid and topology commutation method.

用转角增量法、限界轨迹线交点判别法及本文提出的咽喉区网络结构图自动拓扑变换方法实现了各种类型、各种规模驼峰头部和调车场尾部平面图的优化设计和自动拓扑变换。

Strongly consistency and asymptotically unbiasedness of new estimators are proved by means of integrating finite increment with infinitesimal one.

数值实验结果表明估计量的相对误差和无偏性检验值都比较小，新算法能够很好地估计M/G/1排队系统的性能梯度。

Moreover, an inverse correlation between the fasting plasma glucose and T3 (r =-0.31, P.05), BTSH (basal TSH, r=-0.52, P.01),△TSH (expressed as TSH increment, r =-0.42, P.05), and θTSH (areas under the curve, r =-0.39, P.05) in the uncontrol...

长期控制的糖尿病患者之TRH兴奋试验均正常，提示血糖越高，下丘脑-垂体-甲状腺轴的损伤越明显。TRH兴奋试验可作为反应糖尿病长期控制状态的指标。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。