Expression substance and content substance are the origin and target in communication as well as the starting point and ending point in the four levels of language coding theory.

“表达实体”和“内容实体”是语符理论四个层次中的基点和顶点，也是交际的起源点和目标点。

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Some of my old friends are still back there on the first plateau, constantly refining their assembly language coding, and doing quite well for themselves.

我有些老朋友仍然在他们的第一个高原上，不断完善自己的汇编技艺，而且做得很不错。

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Experiment II: Fenno 1 encoding, master Fano Coding Principle and steps 2, familiar with C programming language coding, and testing procedures are correct.

实验二：费诺编码 1、掌握Fano编码的原理及步骤；2、熟悉用C语言进行编码程序设计，并检验程序的正确性。

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The coding language Java, he points out, is designed to sandbox itself, creating virtual walls around applications that limit their access to the host computer's resources.

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