斜齿轮重合度公式:帮我翻译

来源:百度文库 编辑:查人人中国名人网 时间:2024/05/11 01:12:48
The influence of differently manufactured amorphous dioxosilicon sources such as fumed silica (FS), spray dried precipitated silica (PS1) and flash dried precipitated silica (PS2) on the urse of structural development and properties of hydrothermally epared siliceous MCM-41 phases have been investigated.

中的structural development 是什么意思?

结构开发