gray ferruginous soil是什么意思

网络释义

用法例句

4 colorways available: White/ Blue/ Purple and charcoal!

四种颜色:白色/蓝色/紫色以及铁灰色!!

a fine, portly, middle-aged gentleman with iron-gray hair;

一位文雅、肥胖、满头铁灰色头发的中年绅士；

His iron gray hair was precisely parted and in place.

他铁灰色的头发在正当中分开，梳得整整齐齐。

Her iron-gray hair was eked out by a curled false fringe that was proudly brown and disdained to match the rest of her hair.

她那铁灰色的头发中掺进了一抹惹眼的褐色假发，显得很不调和。

The riverbed contained by the dike was deep and broad, lined with iron-grey shingle.

被高堤嵌住的河床又宽又深，满盛着一川铁灰色的砾石。

a common mineral (iron disulfide) that has a pale yellow color.

一种常见的矿物（二硫化铁），呈灰黄色。

a greenish gray or black silicate of iron and aluminum.

一种绿灰色或黑色的铁和铝的硅酸盐矿物。

A silver - white to gray arsenic ore, essentially FeAsS.

砷黄铁矿一种银白色至灰色的砷矿石，尤指砷黄铁矿

a rare reddish-gray mineral consisting of a copper iron germanium sulfide.

一种稀有的红灰色矿物，由铜、铁、锗的硫化物组成。

Study of the Railway Passengers and Freight Prediction Based on the Gray Theory;

基于灰色理论的铁路客货运量预测研究

Application of grey theory to predict railway transportation quantity;

灰色理论在铁路煤炭运输量预测中的应用

Research on the grey forecast model to the railway passenger volume based on data pretreatment;

基于数据预处理的铁路客运量灰色预测模型

Stochastic Grey System Model for Forecasting Passenger and Freight Railway Volume;

铁路客货运量预测的随机灰色系统模型

Application of Grey Relavance Analysis in Technical and Economical Evaluation of Iron ore Resource;

灰色关联分析法在铁矿技术经济评价中的应用

Grey Relational Analysis of Railway Transportation Enterprise s Competence;

影响铁路运输企业竞争力的灰色关联分析

To Apply on Gray Theory in Ecological Risks Assessing for High-speed Railway

灰色理论在高速铁路生态风险评价中的应用

Railway Transportation Volume Prediction based on Dynamic Grey-Markov Process

基于动态灰色马尔柯夫链的铁路运量预测

Using Grey Theory to Analyze Influences of Chemical Composition and Microhardness on Wear Resistance Rate of Wear Resistant White Cast Iron

用灰色理论分析白口铸铁耐磨性的影响因素