1.
4 colorways available: White/ Blue/ Purple and charcoal!
四种颜色:白色/蓝色/紫色以及铁灰色!!
2.
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；
3.
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。
4.
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。
5.
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。
6.
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。
7.
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。
8.
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
9.
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。
10.
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
11.
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
12.
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
13.
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
14.
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
15.
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
16.
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
17.
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
18.
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