When extended to five dimensions, it becomes a "black string," and unlike a normal 4d black hole, it is unstable (this ignores the fact that 4d black holes eventually evaporate).
当黑洞扩展到第五维度，它就变成“黑弦”。和正常的黑洞不同，黑弦很不稳定(这里忽略了四维黑洞其实最终会蒸发)。
The studies on occupation quality of teachers give the information about the operational definition and dimensions of work temperament of normal university students.
从教师职业素质出发提出高师生职业气质的操作性定义和维度构想；
Ideal for general pieces of various dimensions with normal operating air gaps and medium thicknesses and for use in table configurations.
非常适合不同尺寸的一般工件，正常的操作空间和适中的厚度，按照表中配置的使用。
应用推荐