permissible exposure limit (PEL)

On scientific model of managerial assessment systerm

基于PEL模型的管理制度评价思考

A New Model of Scientific Reasoning Based on Models of PTE and PEL;

一个基于PTE和PEL模式的科学推理模型

The Research of Optimization of Logistics Network for Chinese Market of PEL Company

PEL公司中国市场物流网络优化研究

In addition to the pure water and the clean water processing system, the PEL company still provides the waste water processing system.

除纯水及净水处理系统外,PEL公司还提供废水处理系统。

Being, serving as, or used as a model.

模型的模型的，作为模型的，用作模型的

Implementation Model versus Mental Model

实现模型与心理模型

Implementation Models and Mental Models

实现模型和心理模型

To make or construct a model of.

做模型做或建造…的模型

To make a model.

做模型制做一个模型

cartographic mode

地图模型，制图模型

This model may be classified as either an optimizing model or simulation model.

这个模型可分为最佳化模型或模拟模型。

Two Algorithms That Simulate RMESH by PRAM

PRAM模型模拟RMESH模型的2种方案

The act or profession of being a model.

模型作模型或模特的行为或过程

Theory Model and Numerical Simulation of the Filling of Micro Injection Molding;

微注塑成型充模理论模型与数值模拟

Modeling Method for Abstract Organizational Model from AGR Meta-model

AGR元模型到组织抽象模型的建模方法

Comparison between Ramsauer Model and Global Opotic Model;

Ramsauer模型与球型光学模型的比较

The valuationmodels concludesingle factor evaluation models and general evaluation model.

评估模型包括单因素评估模型和综合评估模型。

An apparatus or a model representing the solar system.

太阳系模型，天象模型代表太阳系的装置或模型