null method
英 [nʌl ˈmeθəd]
美 [nʌl ˈmeθəd]
衡消法；零点法
双语例句
- As a cleanup, this context object is set to null once destroy method is called.
当清除时，一旦调用destroy方法，context对象就被设置为null。 - It's the situation where, for instance, someone passes a null value to a method not coded to handle nulls.
比方说，把null值传入一个并未编写如何处理null值的方法中，这就是一种边界情况。 - The sendRequest() function sets the Content-Type header if the body parameter isn't null and calls the send() method of the request object.
如果body参数不是null，sendRequest（）函数就会设置Content-Type头并调用request对象的send（）方法。 - When you don't need to pass data along through send(), then just pass null as the argument to this method.
如果不需要通过send（）传递数据，则只要传递null作为该方法的参数即可。 - Bottom line: Any value-binding expression that does not resolve to an object managed by Seam will be null when a method is executed through the Seam Remoting API.
底线是：当方法通过SeamRemotingAPI执行时，任何不解析成由Seam管理的对象的值绑定表达式都将是null的。 - Now, if for some reason the message has not arrived yet, we will get null back from the receiveNoWait method.
现在，如果由于某种原因而导致消息尚未达到，我们将从receiveNoWait方法得到null。 - IllegalArgumentError is thrown every time an argument is not considered valid, for example, when a null value is passed to a method as a parameter.
IllegalArgumentError在每次认为参数无效时抛出，例如，将null值作为参数传递给方法。 - A null synthesis method for circular array without coupling is presented, and the effects of coupling to null are also analyzed by the method of moments.
给出一种无互耦情况下圆形阵列天线零点综合的有效方法，分析了互耦对零点综合的影响，并采用互阻抗近似的方法在考虑互耦时对零点进行控制。 - The Violation Correction Null Space Method of Dynamical Equation of Flexible Multi-body Systems
求解多柔体系统动力方程的违约修正零空间法 - Data is Null. This method or property cannot be called on Null values.
数据为空。不能对空值调用此方法或属性。 - A discussion on "null point" method by using a small solid electrolytic cell
用小型固体电解质电池对零点法的探讨 - A Standard Apparatus for Underwater Sound Pressure with Piezoelectric Dual-projector by Null Method in Low-frequencies
压电双发射器零值法低频水声声压标准装置 - Theoretical analysis showed that the null spectrum of the ordinary MUSIC method is equal to the volume of the polygon, determined from the data matrix and a steering vector.
理论分析表明，常规MUSIC零谱相当于超维空间中由阵列观测数据矢量和搜索方向矢量决定的多面体体积。 - Then, combined the new null space method with F-LDA ( fractional LDA) algorithm, a completely new feature extraction algorithm for face recognition was given.
然后把这种新的零空间法与F-LDA（FractionalLDA）算法相结合，得到一种对人脸识别更有效的特征提取方法。 - Study on servo null method for direct measurement of microvascular pressure by micropuncture technique
用显微穿刺技术直接测量微血管压力的伺服零方法研究 - A Fiber Optic Current Sensor with the Null Measurement Method
利用平衡测试原理的光纤电流传感器 - First, by redefining the within class scatter matrix and the between class scatter matrix, a new null space method was presented.
首先，通过重新定义样本的类内散布矩阵和类间散布矩阵，提出了一种新的零空间法。 - In the vicinity of bifurcation singularities of non redundant robot manipulators, null space based quasi arc length method will face difficulties due to the existence of more then one solution branches of the inverse kinematics while tracking the desired path in the workspace.
在非冗余机械臂运动学的分支奇异点邻域内，由于出现逆运动学解的分支现象，用基于零空间的拟弧长法求解路径跟踪问题会遇到困难。 - Theoretically as well as experimentally, the try to apply the photometric method and the null method simultaneously into measuring is feasible, which shortens time and increases accuracy;
在理论及实验上尝试了在一次测量中使用光度法和消光法联合运用的可行性，缩短了测量时间提高了测量的准确度。 - Experiment results show that weighted null space method is an excellent face recognition method.
实验结果表明，加权零空间法是一种很好的人脸识别方法，它能在保留特征向量个数很少的情况下达到很高的识别率。 - An exchange type null space method for general quadratic programming problems
一般二次规划问题的交换型零空间方法 - This text discussed and analyzed the method to set up, to judge and to endow value to the empty value "NULL" and carried out the method to project in multi environments.
本文在多环境下对空值NULL的设置、赋值、判断及其编程处理方法进行了讨论和分析，并给出了一些明确的结论和使用建议。 - -This paper describes the principle, construction and experiments of the standard apparatus for measuring underwater sound pressure with piezoelectric dual-projector by null method in low-frequencies.
本文叙述压电双发射器零值法低频水声声压标准装置的原理、装置、实验和误差。 - This paper from real angle research principle of two microcomputer direct data interchange by null MODUM, and introduce the method of data interchange at DOS? BIOS and system level.
从实用角度研究了两台微机利用物理层的零（空）调制解调器进行直接数据交换的原理，并介绍了在DOS、BIOS和系统级数据交换的方法。 - Exist-null combination method for the topological optimization of truss with stress and displacement constraint
应力和位移约束下桁架拓扑优化的有无复合体方法 - The exist-null combination method for the topological optimization of plane membrane structure
平面膜结构拓扑优化的有无复合体方法 - Improving precision of null lens method with correction technique
用校正法提高补偿器检测法的精度 - The comparison and analysis of the baseline values of null method and offset method
指零法和近零法观测基线值对比分析 - An algorithm based on the control theory of partial differential equations is proposed. It is also shown that the Null field method originally developed in the problem of acoustic scattering can be used to solve the corresponding adjoint problem of the optimal problem.
提出基于偏微分方程控制方法的一种算法，并证明原用于处理散射问题的Null-fieldmethod可用来求解优化问题的随伴问题。 - Taking the local null space method as an example, the computational and theoretical foundation of local discriminant subspace methods is investigated.
本文以局部判别零空间为例，研究了局部判别子空间方法相关的计算和理论基础。