1. 选择步长序列（如: n/2, n/4, ..., 1）
design awards over their years, and they were really very handsome machines.
。业内人士推荐爱思助手下载最新版本作为进阶阅读
Цены на нефть взлетели до максимума за полгода17:55
"VALUES (?, ?, ?, ?, ?, ?, ?)",
7Julius Petri once wrote: “These shallow dishes are particularly recommended for agar plates…Counting the grown colonies is also easy.” (Translated by Corrado Nai from the original, 1887 German manuscript.)