top-roll-balancing mechanism

Researches of the pipe roof mechanism focus on two aspects which are the unloading or overloading effect of top row of pipe and guiding effect of the bottom row.

管幕的力学作用研究方面：上排管幕的卸载及超载作用、底排管幕的导向作用。

Cutting, a professor at Cornell University, wondered if a psychological mechanism known as the "mere-exposure effect" played a role in deciding which paintings rise to the top of the cultural league.

康奈尔大学教授克廷想知道,在决定哪些绘画作品跻身文化排行榜前列的过程中,一种被称为"单纯曝光效应"的心理机制是否起到了作用。

Top-down approach or knowledge networking mechanism retrieves the related knowledge items by organization and task ontology, while bottom-up approach searches the similar task in task circumstance and retrieves the knowledge items containing the task description.

自上而下方法或知识联网机制通过组织、任务本体检索到相关知识项.自下而上方法在任务情景中搜索相似任务，并获取包含该任务描述的知识项。

This mechanism is called correspondence and allows MTF to traverse a whole model by applying all the correspondences reachable ( directly or transitively) from the top-level relation.

这种机制称为通讯，它允许MTF通过把从顶级关联开始的所有通讯变为可到达的（直接或间接）横跨一个完整模型。

Oxygen top-blow converter is the main equipment in steel making. Because the support system of converter bears total weight of the converter and its accessories, and meanwhile transfers tilting torque from tilting mechanism to converter, it is the most important part of converter machinery.

氧气顶吹转炉是炼钢中的主要设备，其中转炉支承系统承担了炉体及其附件的全部重量，同时还担负着从倾动机构传递给炉体使其倾动的力矩，是转炉机械的重要组成部分。