The principle of the former is to control character height like stylus printer while the principle of the latter is quite different.
前者的字符高度的控制方法类似针式打印机，而后者的控制原理则完全不同。
Although administrative contract stems from civil field, it is quite different from the latter.
虽然行政契约发端于民事领域，但它又与民事契约有很大的不同。
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