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1·string.trunc([n]) Truncates the numeric string 123.456.trunc(2) returns 123.45

trunc([n]) 截断数字字符串 123.456.trunc(2) 返回 123.45

2·Other (abs, ceil, fact, floor, pow, random, rint, round, sign, frac, hypot, deg, rad, trunc, int).

其它(abs、ceil、fact、floor、pow、random、rint、round、sign、frac、hypot、deg、rad、trunc、int)。

3·The new formation of constructing stiff- ness matrix of TRUNC element is presented in this paper.

这种新单元的刚度矩阵采用作者所提出的新列式方法来构造。