1·The relativity of simultaneity is the idea that whether two events occur simultaneously or not is relative and depends on the observer.
同时性的相对性是指，两件事情同时发生与否是相对的，取决于观察者所在的方位。
2·I do not understand the relation among signs as a simultaneity.
我不认为符号之间的关系是同时的。
3·Other people understand parallel machines much better than I do; programmers should listen to them, not me, for guidance on how to deal with simultaneity.
有很多人比我更了解并行机器，他们可以指导你如何面对同时性的问题；程序员应该听听他们的建议，而不是我的。
4·In an age where information can be accessed anywhere, it is the simultaneity of all media and, more importantly, the curatorship of their content that will make the library vital.
在这样一个时代，信息可以被存取到任何地方，它对于所有媒体的同时，更重要的是，他们的内容对于图书馆是至关重要的。
5·Taihu water quality in horizontal and vertical variety simultaneity is found, vertical variety of contamination index to be considered in the lake fluid matter monitors and evaluation is put forward.
研究表明在风应力的作用下，太湖水质同时存在水平和垂向变化，提出了太湖水质监测和评价也要考虑污染指标的垂向变化。