The number of tricks

伎数───The number of tricks

vi editor is an extremely powerful tool, and this article provides you with a number of tips and tricks that will hopefully make your file editing more efficient.───vi编辑器是一个极其强大的工具，本文提供了一些技巧和诀窍，希望能够帮助您更高效地编辑文件。

Fortunately, a number of tools and tricks make the process a little easier—and cheaper.───幸运的是，一些工具和技巧可以使跨浏览器测试变得稍微简单一些 — 并且开销也更低。

In addition, programmers have come up with all sorts of algorithms and tricks such as Alpha-Beta pruning, Negascout, and MTD(f) in order to lessen the number of nodes the computer must examine.───此外，程序员们也提出了很多算法和技巧来减少节点数目，比如阿尔法 贝塔剪枝算法（Alpha-Beta pruning），Negascout搜索算法以及MTD（全称是：Memory enhanced Test Driver，即记忆增强测试驱动，译者注）方法。