All six are larger than Earth and are likely composed of mixtures of rocky material and gas.
这六颗行星都比地球要大，而且很可能由岩石物质和气体混合物组成。
Existing lasers use media ranging from crystals doped with rare-earth elements to specific mixtures of gas and even certain sorts of semiconductors.
现有的激光器使用的介质有，掺杂有稀土元素的晶体、特定比例的气体，甚至是某些特定半导体。
Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals.
稀土金属、钇、钪及其混合物的无机或有机化合物。
The evaluations have been conducted on the control targets and test methods, which are used in the control of compaction quality of subgrade filled with earth-rock mixtures.
对现行土石混填路基压实质量控制指标和检测方法进行评价，根据控制指标之间的相互关系及适用范围，提出以压实度作为土石混填路基的压实质量控制指标。
The evaluations have been conducted on the control targets and test methods, which are used in the control of compaction quality of subgrade filled with earth-rock mixtures.
对现行土石混填路基压实质量控制指标和检测方法进行评价，根据控制指标之间的相互关系及适用范围，提出以压实度作为土石混填路基的压实质量控制指标。
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