简而言之，这个信道封装了两个flash.net.URLStream实例(指令和通道)，并支持长轮询(long - polling)传输。

In short, this channel encapsulates two flash.net.URLStream instances (command and tunnel) and supports long-polling transport.

youdao

根据操作数是字节 (byte)、字 (word) 还是长型 (long)，指令的后缀可以是 b、w 或 l。

The instructions are suffixed by b, w, or l, depending on whether the operand is a byte, word, or long.

youdao

成花素达到一定水平，产量就会提高，因为它指令植物停止长叶，开始孕育结出果实的花。

With the right levels of florigen yields increase because it instructs plants when to stop making leaves and start making flowers, which in turn produce fruit.

youdao

It's a long sequence of instructions, it starts at the beginning, walks through, may jump around a little bit, but eventually comes down at the end. It's okay for the things you're doing for the early problem sets.

这是一长串指令，从开端开始，向前步行，偶尔来回跳一会儿,但是最终会走到结尾,这些足以解决最初级的问题。

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