英文科技写作经典用词句式

70页经典词汇句式汇总，依据各场景，词性，表意做了细致分类，涵盖论文中所需的大部分表意需求，示例：11. 放、置于 (1) Since multiple concentrations were available for each vapor, the pattern vectors obtained from SAW data collected from an exposure to amid-level concentration of each vapor were placed in the prediction subset. The remaining pattern vectors were placed in the training subset. Note1: be available for sth1 Note2: exposure to sth1 (2) Each probability density function (PDF) is estimated by placing a Gaussian-shaped kernel at the location of each pattern in the training set. Note: place sth1 at the location of sth2