polygenesis是什么意思

用法例句

A theoretical model for behavior of trace elements and stable isotopes in geochemical systems with multiple sources and multiple sinks;

稳定同位素和微量元素在多源多汇体系中地球化学行为的理论模拟

The Backward Forward method is used to perform a radial load flow, the breakpoint current compensation method is used for ring configured systems and the PV nodes current compensation method is used for multiple sources.

该方法从回推/前推算法出发,利用解环点处电流补偿技术处理弱环网运行状态,采用PV节点电流补偿技术解决系统多源问题,最终得到舰船电力系统潮流统一计算流程。

Research on multi-source application level multicast for awareness driven virtual space teleconferencing;

感知驱动的VST多源应用层多播问题研究

Secure access control protocol for multi-source IP multicast;

适用于多源IP组播的安全访问控制协议

GML-based Cooperative Integration of Multi-source Heterogenous Spatial Data;

基于GML的多源异构空间数据协同集成

Data organization of spatial data cube on multi-source data for digital city;

面向数字城市多源数据的空间数据立方体数据组织研究

Analytical research of spatial data cube on multi-source data for digital city;

面向数字城市多源数据的空间数据立方体分析研究

Use of multi-source data in national defence traffic mapping;

多源数据在国防交通图编制中的应用

Study of forecast method of multi-source information of coal mine water disaster based on GIS;

基于GIS的煤矿水害多源信息预测方法研究

The authors deeply study geologic,hydrogeologic and geophysical field characteristics of DS uranium deposits and establish its multi-source information descriptive model,from which DS-type integrated prospecting models of sandstone-hosted uranium orefield and deposits are su.

简要介绍了综合找矿模型的内涵及其基本特征,提出了砂岩型铀矿综合找矿模型的构建流程;深入研究了DS铀矿床的地质特征、水文地质特征及区域地球物理场特征;建立了DS铀矿床的多源信息描述模型,从中归纳总结出DS式铀矿田和铀矿床的综合找矿模型,并应用该模型完成了东胜—榆林地区砂岩型铀矿成矿潜力综合评价。

This article based on MAPGIS platform,the forecast system of multi-source information of coal mine water disaster has been developed specially and written with VC~++ language.

基于MAPGIS平台,用V isual C++对其进行专业方面的二次开发,研制了煤矿水害多源信息预测系统。

MORPAS-based multi-information prognosis of lead-zinc deposits in Lintan-Dangchang area, Gansu Province;

MORPAS支持下的甘肃临潭—宕昌地区铅锌矿床多源信息预测