permaculture是什么意思

网络释义

用法例句

The Inspection of the Complications in the Patients Implanted Cardiac Permanent Pacemakers and the Resolving Methods;

250例永久心脏起搏器置入术后并发症及处理

From the Transitional to Permanent:Thinking about Outside-classroom of Educational Buildings in Post Earthquake Reconstruction

从“过渡”到“永久”——教育建筑灾后重建“教室外”的思考

Objective Glass inomer is used to line between the side walls of the cavity and the permanent silver restoration, thus eliminating the possibility of bacteria penetrating the space between enamel and restorative material to prevent the possible secondary decay.

目的　永久性充填后牙体与充填物之间的微缝隙 ,防止渗漏 ,减少继发性龋病的发生。

Using the comparion theorem of difference equation, persistence theorem of discrete semi-dynamical system and stability of monotonous operator, we gain the boundary, uniform persistence and permanence of the system.

应用差分方程的比较原理 ,离散半动力系统的持久性定理以及单调算子的三分稳定性 ,获得系统的有界性 ,一致持久性 ,永久持久性 。

Using the theorem on discrete semi-dynamicl system and the stability results on monotonous and continuous operator,we obtained the sufficent conditions for uniform boundness,strong and weak persistence and permanence of a discrete system with age-structure subdivided into young and adult population approximately.

应用差分方程的比较原理、离散半动力系统的持久性定理和单调连续算子的三分稳定性获得了一类捕食者具有年龄结构 ,即将捕食者近似地分为幼年和成年种群的离散捕食系统一致有界、弱持久、强持久和永久持久的一组充分条件 。

permanent magnet moving-coil type ammeter

永久磁铁动圈式安培计

permanent magnet moving-coil type voltmeter

永久磁铁动圈式伏特计

permanent-magnet moving coil galvanometer

永磁动圈式[磁电系] 检流计

"A current can also be induced by constantly moving a permanent magnet in and out of a coil of wire, or by constantly moving a conductor near a stationary permanent magnet."

让永久磁铁在线圈中进出运动或让一个导体在固定的永久磁铁附近的区域移动,也会产生电流。

permanent-magnet-coil instrument

永磁动圈式/磁电系仪表

permanent-magnet stepping motor

永久磁铁步级电动机

A design method of disc gradient coils for permanent MRI systems

永磁磁共振系统盘式梯度线圈的设计

Designs of Novel Permanent Magnet and Bi-planar Shielded Longitudinal Gradient Coils;

新型永久磁体及双平面纵向屏蔽梯度线圈设计

a rigid magnetic disk mounted permanently in a drive unit.

永久地安装在驱动程序中的硬磁盘。

Columax permanent magnet

科鲁马克斯永久磁铁

The Researches on the Moving-coil Servo Valve Based on High Magnetic Strength Permanent Magnetism Material;

基于高磁感永磁材料的动圈式伺服阀研究

loudspeaker moving iron or moving coil, unmounted

动铁式或动圈式扬声器,未安装的

Dynamic Simulation of Permanent Magnetic Moving-Coil Vibration System

永磁式动圈振动系统瞬态运动数值模拟

Study on Ironless Moving Coil Linear permanent Magnet Synchronous Motor;

空芯动圈式直线永磁同步电动机的研究分析

FEM Based Parameter Calculation of a Disk Coreless PM Synchronous Motor;

基于有限元法的盘式无铁心永磁同步电动机的参数计算

Design and Analysis of Wheel Multi-disc Coreless Permanent Magnet Synchronous Motor

轮毂多盘式无铁心永磁同步电动机的设计与分析

Study on the Design of Gradient Coils for Open Permanent Magnet MRI System

开放式永磁MRI系统梯度线圈设计方法研究

Research on Minimizing Detent Force of Linear Permanent Magnet Brushless DC Motor

一种减小动圈式永磁无刷直线电动机磁阻力方法研究