seat height lock是什么意思

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Scientific arrangement of seats in class management does good to strengthen teaching management and optimize the quality of students.

班级管理中科学编排学生座位,有利于加强教学管理,优化学生素质。

Positive loci,effect increasing loci,effect decreasing loci and non environmental loci were selected from the 931 marker loci surveyed in the 15 parental lines and their correlation with yield and yield components were analyzed.

利用AFLP、RAPD、SSR技术分析了 10个恢复系和 5个不育系的 931个基因座 ,利用 15个亲本配制了 5 0个杂交组合 ,在泸州和重庆 2个环境下同时种植 ,考察了产量及其构成因素 ,从 931个基因座中筛选出了与之相关的阳性座位、增效座位、减效座位、非环境型座位 ,并分析了它们与杂种产量及其构成因素间的关系。

General solution method of rectangular plate bending with two opposite ends supported under boundary displacements;

支座位移作用下一对边支承矩形弹性薄板弯曲统一求解方法

Using the united method in this paper,bending solution of rectangular plates with various supported conditions is solved when the plate is subjected to boundary displacements.

对四边支承矩形板提出了一种统一的弯曲挠度表达式,该表达式切合板边界所能激发的弯曲变形形态和角点位移时导致的变形特点,可用于计算四边支承矩形板在边界发生任意支座位移时的弯曲。

Combined with the construction of the Magong Bridge in Changzhou City, the prestress technique by means of the support displacement method to avoid cracks in floor deck concrete caused by tensile stress is studied.

本文 结合常州市马公桥工程的建设,对采用支座位移法来施加预应力,避免桥面混凝土开裂的技术进行了研究。

The influence of support displacement on the load\|carrying capacity of arched corrugated metal roof(ACMR) is evaluated through global stability analysis of this kind of roof structure working together with its supporting structure.

通过对不同矢跨比的金属拱型波纹屋盖结构连同其下部支承结构进行自重类荷载作用下的稳定承载力分析 ,明确了支座位移对这种屋盖结构承载力的影响 ,并为确立这种结构的简化设计计算模型提供了依据。