1.
Ideal Strengths and Hydrogen Storage of Light Elements Covalent Solids from First Principles Studies;
轻元素共价材料理想强度和储氢功能的第一性原理研究
2.
a trivalent metallic element of the rare earth group; occurs with yttrium.
稀土属三价金属元素，与钇共生。
3.
a light strong brittle gray toxic bivalent metallic element.
一种灰色有毒的二价金属元素，轻质、坚韧、易碎。
4.
a trivalent metallic element of the rare earth group; usually occurs in association with yttrium.
一种稀土属的三价金属元素，通常与钇共生。
5.
a rare polyvalent metallic element of the platinum group; it is found associated with platinum.
一种稀有的多价铂系金属元素，与铂共生。
6.
The hydrogen is the known the lightest element.
氢是已知的最轻的元素。
7.
a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium.
一种稀土属黄色多价元素，与铈、镧、镨共生于独居石和氟碳锑矿中。
8.
a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores.
一种有毒的二价金属元素，软质、蓝白色，有延展性，与锌矿石共生。
9.
a trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds.
稀土属的一种三价金属元素，与钇共生，形成极具磁性的化合物。
10.
OK. It's two hundred yuan in all.
好的。票价一共是200元。
11.
a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals.
一种银白色软质单价元素，碱金属属，已知最轻的金属，存在于许多矿物中。
12.
As it's slightly damaged, I will knock$2 off.
由于有轻微的损坏，我将降价两美元。
13.
Impact on Water Eutrophication of Light Rare-earth;
轻稀土元素对水体富营养化影响研究
14.
Research and Application of EDXRF Analysis Technique on Light Element
轻元素EDXRF分析技术研究及应用
15.
Fast Determination of Light Rare Earth Elements by ICP-AES
ICP-AES快速分析轻稀土元素
16.
INTERFERENCE CORRECTION ON DETERMINING LIGHT RARE EARTH ELEMENTS BY ICP-AES
ICP-AES分析轻稀土元素干扰校正研究
17.
codeterminants of price
价格决定的共同因素
18.
A few elements, among them uranium and thorium, spontaneously disintegrate into lighter elements by chances.
少数元素，其中有铀和钍，通过它们核的变化自然蜕变成较轻的元素。