STC is a set of popular textbook among some science textbooks written for primary school under the direction of NSES in America.

美国在《国家科学教育标准》的指导下编写了几套小学科学教材，STC就是其中比较流行的一套。

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This is a new analyzing method found based on STC , STV of physical units and properties of CST which apply to all physical theorem and law .

这是根据物理单位的STC和STV以及完备时空的时空属性所演绎出的一种新的物理学分析方法。

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Now, a general solution is that combining STC with OFDM, but it is supposed that the channel changes slowly, so there is enough time to transmit the training sequence for channel estimation.

目前，一种普遍的解决方法是将空时码与正交频分复用（OFDM）相结合，但需要假定信道变化缓慢，从而有足够的时间通过发送训练序列来进行信道估计。

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Every state has a Department of Transportation (DOT) with a State Traffic Commission (STC) that is responsible for setting speed limits on certain state-maintained roads.

FORBES: The High Price Of Speeding