1.
A variety of silica that contains microcrystalline quartz.
燧石含微小晶状的石英的各种硅石
2.
variety of silica containing microcrystalline quartz.
含微小晶状的石英的硅石。
3.
quartz with step motor watch
具有步进马达的石英表
4.
unmounted optical element of quartz (excl. those of fused quartz)
未装配的石英光学元件,（不包括熔融石英）
5.
A granitic rock composed chiefly of quartz and mica.
云英岩一种主要由石英和云母构成的花岗石
6.
Contrast of Magnetic Susceptibility of Silica Sand and Silica Raw Material and Its Significance
石英砂与石英砂原料磁化率的对比及其意义
7.
a British term for `quarry' is `stone pit'.
英国对'采石场'的术语是'采石场'。
8.
a granitic rock composed of quartz and mica.
一种由石英和云母构成的花岗石。
9.
This is a cliff composed of quartz sandstone that is well bedded.
由石英砂岩构成的悬崖，岩石层理发育。
10.
a lung disease caused by inhaling particles of silica or quartz or slate.
由于吸入硅石或石英颗粒而导致的肺
11.
a transparent purple variety of quartz; used as a gemstone.
一种透明的紫色石英，用作宝石。
12.
This sandstone consists of quartz primarily and feldspar secondly.
这种砂岩的成份以石英为主，长石次之。
13.
Research on Surface Grinding of SCFS with Diamond Wheel;
金刚石砂轮平面磨削石英陶瓷的研究
14.
Portland stone
(英国波特兰岛产的)建筑用石灰石, 波特兰石
15.
A rock formed from the metamorphism of quartz sandstone.
石英岩一种由石英沙岩的变质作用而形成的岩石
16.
A chiefly amphibole rock with minor plagioclase and little quartz.
角闪岩主要由角闪石、少量斜长石和石英组成的岩石
17.
pumpellyite-prehnite-quartz facies
绿纤石－葡萄石－石英相
18.
(British colloquialism) an excavation; usually a quarry or mine.
出土的文物（英国的口语）；通常是指采石或矿石。