major axis是什么意思

网络释义

用法例句

To surmount the difficulty of machining spindles with inverted taper bore, the methods such as lengthening spindle, using template, making machine tool rotate reverse, translating tool bar and so on are adopted to ensure the concentricity, taper and size accuracy of spindles with inverted taper bore.

针对带内锥主轴加工难的问题,采用加长主轴、利用样件、机床反转、刀杆平移等方法,来保证带内锥主轴和内孔的同轴度、锥度以及尺寸精度。

On the basis of 103 SSR linkage map,QTLs associated with tassel branch number (TBN) and total tassel length (TTL) were studied by composite interval mapping with F3 families,which were developed from the cross N87-1 × 9526 and surveyed for phenotype under normal condition (CK) and drought-stress environment (DS).

雄穗主轴长在正常环境下被检测到2个QTL位于第2和第6连锁群上,在干旱胁迫环境下被检测到了3个QTL分别于第2、4和10连锁群上,其中位于第2染色体上的QTL是两种环境下所共同检测到的QTL。

fastiniata\'s age could be determined according to the rhizome growth characteristics,combining with the length of the rhizome.

在西藏色季拉山区不同海拔带设置样地,观测长鞭红景天花茎环的形成过程,用游标卡尺(IP54型)测量长鞭红景天植株不同年的轴向生长量和径生长量;分析其主轴生长特性,进行年龄判定,结果表明:长鞭红景天每年在主轴上形成一个花茎环结构,并且轴向生长量和径生长量在年际间均无显著差异,但随海拔升高,轴向生长量和径生长量均呈下降趋势。

Three dimensions CAD system used in spindle bearing of aircraft engine;

航空发动机主轴轴承三维CAD系统

This paper discusses the working condition of machine tool's spindle bearing can be distinguished by bearing's vibration signal.

论文阐述了利用轴承振动信号可判断机床主轴轴承的工作状态,通过频谱分析可对轴承进行故障诊断及预紧力确定;应用B&K2148采集振动信号,MATLAB进行数据处理,对CKS6116型机床主轴前轴承进行了故障诊断与预紧力分析并取得了满意的效

Rhizome growth characteristics and age determination of Rhodiola fastigiata

长鞭红景天主轴生长特性与年龄判定

Disorder of the Growth Hormone/insulin-like Growth Factors(GH/IGFs) Axis in Children with Idiopathic Short Stature;

生长激素/胰岛素样生长因子轴紊乱与特发性矮小

Design of High Speed Motorized Spindle and the Analysis of Joining Performances for Toolholder/Spindle Interfaces

高速电主轴设计及主轴/刀柄接口联接特性分析

Study on the Biological Characteristics of Stain Fungi and Mould Fungi on Bamboo Wood

竹材主要变色菌霉菌的生长特性研究

Research on the Dynamic and Static Performances of Mainshaft Bearing Test Bench for Aircrafts;

高速航空主轴轴承实验器的动静态特性分析

Study on Lubricating Characteristics of Crankshaft Main Bearing for High-duty Diesel

高强化柴油机曲轴主轴承润滑特性研究

Thermal Characteristics of the Spindle-bearing System of Small Size Mill Center

小型铣削中心主轴-轴承系统的热态特性分析

Study on the nonlinear dynamic rigidity characteristics of the initiative magnetic bearings

主动磁力轴承非线性动刚度特性研究

TRIAXIAL EXTENSION TEST STUDY ON THE UNLOADING BEHAVIOR OF GRANULAR

散粒体卸载特性的三轴伸长试验研究

A main axis of a plant, such as the trunk of a spruce, that maintains a single line of growth, giving off lateral branches.

单轴植物的主轴，如云杉的树干，维持树木的生长并长出旁枝

Venus has the distinction of spinning "backward" on its axis.

金星具有沿主轴反向自转的特性。

The FEM Analysis of Dynamic and Static Characteristics of High Speed Motorized Spindle;

高速电主轴动静态特性的有限元分析

The Static and Dynamic Characteristics of Gas Spindle Are Studies and The Structure Are Designed;

气浮主轴动静压特性分析及结构设计

The Research on Thermal Characteristics of Spindle Components in Milling Center;

铣削加工中心主轴组件热特性的研究

Finite Element Analysis of the Force Characteristics of Jig Borer Spindle

坐标镗床主轴力学特性的有限元分析

Simulation analysis of thermal characteristics of high-speed motorized spindle by using ANSYS

高速电主轴热态特性的ANSYS仿真分析

It produces wide-angled branches and does not have an over-vigorous or erect habit of growth.

主枝分枝角度大，生长势力不过旺，没有直立生长的特性。

Studies on Growth and Gas Exchange Characteristics of the Main Afforestation Tree Species in Beijing;

北京主要造林树种生长及气体交换特性的研究