There is some fine specimen of rock and ore in the museum
博物馆里有些很好的岩石和矿石标本
There are some fine specimen of rock and ore in the museum.
博物馆里有些很好的岩石和矿石标本。
There were some fine specimens of rocks and ores in the museum.
博物馆里有些很好的岩石和矿石标本.
Accurate Determination of Potassium and Sodium in Potash Feldspar and Soda Feldspar Reference Samples
钾长石和钠长石标准样品中钾和钠的准确测定
A certificating study on La-Ce rock reference material and Ce isotopic standa rd solution
La-Ce法岩石标准物质和Ce同位素标准溶液研制
An overview of the industry standard "Kyanite, andalusite and sillimanite'
《蓝晶石 红柱石 硅线石》行业标准概述
(trademark) a kind of plasterboard.
（商标名）一种石膏板。
Standard Oil Company and Trust
标准石油公司和托辣斯
A marking stone placed at the foot of a grave.
基石一块建在地基处有标志的石头
mineral specimen (excl. precious or semiprcious stones)
矿物标本（不包括宝石和半宝石）
a mound of stones piled up as a memorial or to mark a boundary or path.
用作纪念或路标、界标的石堆。
An object, such as a post or stone, fixed in the ground so as to mark a boundary or position.
标石立在地上标示边界或地点的物体，如标杆或界石
American Petroleum Institute
美国石油协会美国石油学会美国油量计量标准
sampling, inspection, packing and marking of lime and limestone products
石灰和石灰制品取样方法、检查、包装和标记方法
A mound of stones erected as a memorial or marker.
锥形石冢一堆石头，用于表示纪念或标志
Technical requirements and test methods of gravel and crushed stone for ordinary concrete
普通混凝土用碎石和卵石质量标准及检验方法
Shaft's Manufacture of High-Grade Cement with Inferior Coal and Limestone
立窑采用劣质煤和石灰石生产高标号水泥
