在没有选择可用性条件下，差分gps定位精度完全取决于电离层的空间不相关性。
In the absence of the selective availability errors, the positioning accuracy of differential GPS is strongly dependent on the spatial decorrelation of the ionosphere.
这些关键问题有模块格式的选择、模块的组织方式、模块间通信机制、栈空间管理、名字空间管理以及符号解析和重定位。
These key problems are the choice of module format, the organization way of module, module communication mechanism, stack space management, namespace management and symbol resolve and indirection.
在此基础上，提出购房者选择空间顺序的选择规律、空间综合权衡的选择规律、空间定位的选择规律。
And on the base, they raise the laws of choosing space, weighing space and choosing space location.
结果表明，超声心动图对室缺的正确定位诊断有赖于对超声切面的选择，以及辨认室缺与心内特征性解剖结构的空间位置关系；
The results show that correct localization of VSD is de- pendent on identifying the spatial relation between VSD and characteristic intracardiac structures on the proper views;
结果表明，超声心动图对室缺的正确定位诊断有赖于对超声切面的选择，以及辨认室缺与心内特征性解剖结构的空间位置关系；
The results show that correct localization of VSD is de- pendent on identifying the spatial relation between VSD and characteristic intracardiac structures on the proper views;
应用推荐