二次利用

A new method that applying the secondary harmonic ratio of restraint current to lock protection is put forward, with which the stability of differential protection could be enbanced.

提出了利用制动电流的二次谐波比进行闭锁的新方法，该方法可提高微机型变压器差动保护的可靠性。

The optimum conditions of solid alcohol are studied using homogenous design and square regression analysis.

利用均匀设计和二次回归分析的方法对固体酒精的制备工艺进行了研究。

With the help of .NET platform, C# Language is used in secondary development of AutoCAD. That is to realize automatic skeletonizing of highway horizontal alignment giving the coordinates of beginning point and ending point as well as crossing point′s basic information. The research fruit can be applied in the software of plane curve.

在。NET平台下，采用C#语言进行AutoCAD二次开发，即在给定路线起终点坐标与交点基本信息的基础上实现路线平面线形的自动绘制，此研究成果完全可以被平面曲线设计软件所利用。

By the performance indexdr, We proposed in thispaper a new algorithm for the feedforward optimal gauge control of a steel stripmill. By this algorithm the control is the integral of gauge deviation weighted by hyperbolic cosine.

本文根据有限时间区间的厚差信息，利用有限时间二次型指标，提出一种新的带钢轧机厚度前馈最优控制，这一控制为厚差按双曲线余弦加权积分算法。

The other classfies the calculation of MBPS into the solution of inequation based on heuristic knowledge of MBPS of optimal directional coordination setting in complex multiloop network and comes into equivalence of 0-1 integral second layout problem. On the basis of the principle of Gene Optimal Evolution, a new approach to determine MBPS is first presented and decreases the computational complexity of MBPS problem.

其二，利用复杂环网方向保护最优整定配合中最小断点集的启发知识，将MBPS的计算归结为解不等式，进而等价为0—1整数二次规划问题，基于基因遗传优化计算原理，首次提出了MBPS问题的基因遗传算法，降低了问题的计算复杂性。

These methods utilize successive approximation of initial problem by linear or quadratic problem.

这些方法，利用逐次逼近的首要问题线性或者二次的问题。

These methodsutilize successive approximation of initial problem by linearor quadratic problem.

这些方法，利用逐次逼近的首要问题线性或者二次的问题。

This paper has discussed four different gridding methods in space domain, i.e., linear interpolation, multiquadric function, ordinary Kriging and inverse interpolation. The calculation of these gridding methods is illustrated by both theoretical model and real aeromagnetic data examples.

文中介绍了线性插值法、多元二次函数法、普通克里格法、反插值法等4种空间网格化法的原理，并利用这些网格化方法进行了理论模型和实际航磁数据的试验分析。

The characteristic points of the detected lane marking are transformed into the bird's view of the specific height via the Inverse Perspective Mapping. A second–order polynomial is used for curve fitting to obtain the lane model.

将所侦测到之道路标线特徵点，透过逆透视转换的过程，转换成从特定的高度观察之俯视景观，再利用二次曲线拟合方式，建构出车道模型。

The data were analyzed by using D-optimization method. Results show that lead styphnate, nickel hydrazine azide and BIPb3O4 are ignited by the SCB heat; lead picrate, lead azide, nickel hydrazine nitrate and barium styphnate are ignited by the SCB plasma.

通过研究示波器采集半导体桥引爆起爆药时的信号，获取了半导体桥释放能量、电压－时间曲线中二次峰持续时间、光信号出现时间以及电压断开时间等数据，并利用D最优化法程序对数据进行了处理。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。