null filter
英 [nʌl ˈfɪltə(r)]
美 [nʌl ˈfɪltər]
网络 零值滤波器
双语例句
- The second filter removes any list items where the left side of the expression is a primitive type or a null.
第二个过滤器负责移除任何表达式左侧为一个基本类型或null型的列表条目。 - If the session attribute "login-status" is null, or not true, forward the request to the login page, Welcome. jsf, without calling the next filter's doFilter method in the chain.
如果会话属性“login-status”为空或非真，则将请求发到登录页Welcome.jsf，同时不调用链中下一个过滤器的doFilter方法。 - A filter function takes as input the unmodified data, and returns modified data ( or in some cases, a null value to indicate the data should be deleted or disregarded).
Filter（过滤器）函数获得未经修改的数据，并返回修改后的数据（或者在某些情况下，返回null值来标识数据应当被删除或忽略）。 - According to the idea of independent and continuous topological variables, a uniform exist null combined model of the bar element and the membrane element for the topological optimization is constructed to implement the transformation between continuous and discrete topological variables without using the filter function.
根据独立连续拓扑变量概念，建立了桁架和平面膜结构拓扑优化的有无复合体模型，从而不引入过滤函数实现拓扑变量在连续型和离散型之间的转换。