The name comes from the first six keys on the upper left row of letters on the keyboard.

这个名字是从键盘最上面一排左边的头六个键得来的。

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Note: Different letters in the same row mean significant difference at 5 % level of probability (LSD), and they are the same as the following.

同一行上的不同小写字母表示同一层次不同处理在5 %水平上的显著差异(LSD)，下同。注。

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TYPEWRITER is the longest word that can be made using the letters only on one row of the keyboard.

TYPEWRITER是仅用键盘的一行就可以输入的最长的单词。

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