盒带：一个塑胶盒，装有1/4时或更窄的胶带，收带卷轴和写读头压力垫。

Cassette tape: A plastic cartridge which contains 1/4 inch or narrower tape, takeup reels, and a read/record head pressure pad.

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当创作数据绑定时，会将消息标头传入读或写方法，并允许协议标头中的字段确定转换逻辑。

When authoring a Data Binding the message headers were passed into the read or write method, allowing transformation logic to be determined by a field in the protocol header.

youdao

前置有更多的轨道去头（右侧），而不是在HDA（左侧），这是因为硬盘只能有一个工作的“头”（读一写的一次元素）对。

The preamp has much more tracks going to the heads (right side) than to the HDA (left side), it's because HDD can work only with one "head" (pair of read an write elements) at a time.

youdao

前置有更多的轨道去头（右侧），而不是在HDA（左侧），这是因为硬盘只能有一个工作的“头”（读一写的一次元素）对。

The preamp has much more tracks going to the heads (right side) than to the HDA (left side), it's because HDD can work only with one "head" (pair of read an write elements) at a time.

youdao