Raw data providers are not sufficient for data that is always changing, because the components do not receive notification of data changes. 原始数据提供程序不能满足经常改变的数据的需求,因为组件不能收到数据变更通知。
Unfortunately, the probabilistic approaches can not give reliable results unless sufficient experimental data are available to validate the assumptions about the joint probability densities of the random variables or functions involved. 然而,由于实际问题中往往缺乏足够的实验数据来建立随机向量的概率密度函数,而使概率方法不能得到可靠的结果。
The data source you selected might be empty, might be linked with an invalid link, or you may not have sufficient security permissions to access the data. 您所选择的数据源是空的,或链接无效,或您没有存取该数据必需的权限。
Jeff Chester, executive director of the Center for Digital Democracy, a privacy group, said this practice does not provide Facebook users sufficient control over their data or transparency over how it was being used. 网络隐私倡导团体CenterforDigitalDemocracy执行董事杰夫切斯特(JeffChester)表示,这种做法不会让Facebook用户获得对其数据足够多的控制权,也不会向他们透露该公司正如何利用这些数据。
The results showed that PVFM foam was not sufficient homogeneous on the basis of the data discreteness of the mechanical properties; 结果表明:①根据力学性能数据的分散性,PVFM泡沫材料质地上是不够均匀的;