Objective To examine the spatial distribution and dispersion of repolarization using space-time map of body surface potential mapping (BSPM) and their clinical value.
目的用体表心电标测时空图法探讨复极离散空间分布和临床价值。
There are several costs to card marking - additional space for the card map, additional work to be done on each pointer store, and additional work to be done at garbage collection time.
卡片标记有几项开销——卡片映射所需的额外空间、对每一个指针存储所做的额外工作，以及在垃圾收集时做的额外工作。
Let's hope someone will map out a methodical plan for space exploration, like the one Eisenhower drew up, instead of wasting time and money with more fits-and-starts.
这一次，我们希望某些人能像艾森豪·威尔过去所作的一样，为空间探索行动制定一个有条不紊的计划，而不是在断断续续中浪费时间和金钱。
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