查询词典 metallic element

A soft silvery metallic element of the rare earth group having no ''.

一种软质的银色金属元素，稀土属，没有''。

A rare soft silvery metallic element; occurs in small quantities in sphalerite.

一种稀有、软质的银色金属元素，在闪锌矿中少量存在。

A metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite.

有四种同素异性体的金属元素，用于多种合金中，见于辉锑矿。

A metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite

a。 远的，休假的，空闲的；ad。走开，出发，隔断；prep。离开，脱落，在。。。之外；a。远的，休假的，空闲的

A soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands.

一种软质、银白色、放射性四价金属元素，同位素用作核反应能源，见于钍矿和独居石沙中。

A white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveitite.

一种白色三价金属元素，有时归为稀土属，见于斯堪的纳维亚钪钇石中。

A radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms.

一种放射性的超铀金属元素，在用氦原子轰击铀时发现。

A radioactive transuranic metallic element; produced by bombarding plutonium with helium nuclei.

一种放射性超铀元素，在用氦核子轰击钚时发现。

A radioactive transuranic metallic element produced by bombarding plutonium with neutrons.

一种放射性超铀元素，用中子轰击钚时产生。

Trivalent metallic element of the rare earth group.

稀土属的三价金属元素，一种可延展的银白色铁磁体。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。