Specifically, the example in Listing 14 shows the element declaration to contain a complex type that contains a sequence.

具体而言，清单14中的示例展示了包含一个复杂类型的元素声明，该复杂类型包含一个序列。

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When you press the shutter release on the camera, a complex sequence of events occurs, including setting the aperture in the lens, flipping up the mirror of an SLR and a lot more.

实际上，当你按下快门时，一套复杂的程序开启，包括镜头内光圈的设置、一块单镜头反射镜的升起和其他更多的步骤。

youdao

Keep the sequence of commands in mind when you design a complex grammar.

当设计复杂的文法时，请牢记命令的顺序。

youdao

The rover was scheduled to touch down in less than forty-eight hours, after the most complex and technically daring landing sequence in the history of the space program.

NEWYORKER: The Martian Chroniclers