Many new functions and operators are provided that allow all suitable arithmetic operations between points in time and durations.
提供了很多新的函数和运算符在时间点和时期之间完成适当的算术运算。
Advanced math — XSLT can perform basic arithmetic easily enough, but it doesn't support trigonometry, exponential functions, logarithms, or other more advanced mathematical operators and functions.
高等数学——XSLT在基本数学方面游刃有余，但它不支持三角学、指数函数、对数或其他更为高级的数学运算符及函数。
XQuery has all the rudimentary functionality of most high level languages (if-then-else, for, variables, functions, and arithmetic operators).
XQuery提供了大多数高级语言的所有基本功能(if - then - else、for、变量、函数和算术操作符)。
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