The world's average PM10 levels by region range from 21 to 142 ug/m3, with a world's average of 71 ug/m3.
各区域平均PM10(粒径范围为10微米的细微粒)水平范围为21~142ug/m3,世界平均水平为71ug/m3.
The principle and procedure of saving and quick setting of the drafting parameters in UG by using secondary development of UG are introduced in detail.
介绍了利用UG软件的二次开发功能，实现UG环境下制图参数的保存和快速设置的原理和方法，并给出主要程序段。
The second chapter introduces UG related knowledge and the methods of secondary development using UG OPEN API.
第二章则论述了UG的有关介绍以及利用UGOPEN API进行二次开发的方法。
How to copy print color drawings in UG NX3I want to show color lines on printed drawings. please tell me how to copy print color drawings in UG NX3.
我不懂偶英文差楼上的再说 该如何拷贝版彩色UGNX3 的图画 我在印刷的图画上的彩色线，请告诉我该如何拷贝版彩色 UG NX3 的图画。
How to copy print color drawings in UG NX3I want to show color lines on printed drawings. please tell me how to copy print color drawings in UG NX3.
我不懂偶英文差楼上的再说 该如何拷贝版彩色UGNX3 的图画 我在印刷的图画上的彩色线，请告诉我该如何拷贝版彩色 UG NX3 的图画。
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