Ignition coil primary winding. Current flow through the coil produces an electromagnetic field, which is used to induce a high voltage in the secondary coil.
点火线圈初级绕组。电流通过线圈，产生一个电磁场，用来在次级线圈中产生高电压。
The influence of primary flow and secondary nozzle geometry on ejector effect and thrust was investigated, and the approach to increase thrust of rocket ejector was found gradually.
研究了一次流参数和二次喷管结构对引射效能和发动机推力的影响，找到了逐步提高推力的措施。
When an application presents a dialog box, it temporarily moves the action out of the primary flow, abandoning a user's main focus of attention to introduce a secondary issue.
当应用程序显示一个对话框时，它将操作临时移到了主流程之外，摒弃了用户的主要关注点而产生了第2个问题。
When an application presents a dialog box, it temporarily moves the action out of the primary flow, abandoning a user's main focus of attention to introduce a secondary issue.
当应用程序显示一个对话框时，它将操作临时移到了主流程之外，摒弃了用户的主要关注点而产生了第2个问题。
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