1)  a multistage circulating teaching method
多级循环教学法
1.
In order to implement new teaching materials and new teaching program and to further the quality education, a multistage circulating teaching method was put forward.
为贯彻新教材、新大纲,推进素质教育,提出了英语多级循环教学法。
2)  multi-stage
多级
1.
Study on the hydrodynamics in multi-stage loop reactor;
新型多级环流反应器流体力学研究
2.
Research on nonlinear multi-stage fuzzy evaluation model for quality of strip steel;
非线性多级带钢质量模糊评价模型研究
3.
In the article,proceeding with basic thermodynamic process analysis of multi-stage reciprocating compressor,a new method of thermodynamic check calculating of multi-stage reciprocating compressor under variable operating condition is drawn out,and the method have the excellence of quick constringency and less time check calculating.
从多级活塞压缩机基本热力过程分析入手,得出了多级活塞压缩机变工况热力复算新方法,该方法具有收敛快,复算次数少的优点。
3)  multiple
多级
1.
The theory on voltage-tunable multiple liquid crystal filters is discussed,and designing examples are given.
依据电压调谐多级液晶滤光片的设计原理,给出了设计实例。
4)  multistage
多级
1.
Based on investigations of the main national pump enterprises,the performance data of multistage rinsing centrifugal pump were collected,and the measurement data of performance indexes such as efficiency and net positive suction(NPSH) were compared with national standard value and sample value.
通过对国内多级清水离心泵的性能指标进行行业调查,在收集大量数据的基础上将效率、汽蚀余量性能指标的实测值与国家标准规定值及样本数值进行了比较。
2.
A multistage structure is used to reduce the complexity of filter coefficients and the finite word length effect.
该方法使用多级结构以降低滤波器系数的复杂度和有限字长效应。
3.
A multistage power amplifier in Ku band is designed in this paper.
研制了 Ku波段多级功率放大器。
5)  multilevel
多级
1.
Design scheme of multilevel drawbench frequency conversion timing control system;
多级拉丝变频调速控制系统的设计方案
2.
Taking the correlation characteristic of multilevel load forecasting and coordinating into account,the basic coordinating model of multilevel load forecasting is developed to correlative coordinating model.
考虑到多级负荷预测协调的关联特性,将多级负荷预测的基本协调模型扩展为多维多级。
3.
Electrical load forecasting is a complicated multilevel system including dimensions of space,time,attributes,etc.
电力负荷预测是一个包含空间、时间、属性等多维度多级别的复杂体系。
6)  multi-level
多级
1.
Multi-party multi-level quantum key distribution protocol based on entanglement swapping;
基于纠缠交换的多方多级量子密钥分配协议
2.
Research & Implement on Multi-Level Cross-Domain Federated Identity Management;
多级跨域联盟身份管理的研究与实现
3.
： For huge memory used by saving visual database of substation inspection tour in this paper， the multi-level scheme is presented with being reduced memory much more． The law that declares the relation between image database and reflection database is given． The method getting image from visual database is given， too
针对变电站巡视视景图像信息的巨大存储量，提出多级库的思路用以大量压缩视景图像信息的存储量。
参考词条
补充资料：多级曝气法
分子式：
CAS号：

性质：又称多级曝气(法)。是废水活性污泥法的一种改良型。用中间沉淀池把活性污泥处理分为许多级，在每级中进行污泥回流。此法适用于很多种废水的一般处理，生化需氧量去除率可达85％～95％。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。