1·Even the two rarest (thulium and lutetium) are around 200 times more common than gold.
即使最罕见的两种(铥和镥)也比金常见200倍。
2·Even the two rarest (thulium and lutetium) are more widely spread throughout the Earth's crust than gold or platinum.
即使是最稀有的那两个(铥和镏)在全球地壳中也比金或铂要多。
3·It's proved that the cause of high threshold of thulium laser is the heat-distribution particle at low laser energy level.
理论和实验结果都表明引起铥激光器高阈值的主要原因是温度引起的激光下能级的热分布粒子。
4·The tunable thulium doped fiber laser has features that: high power, large tuning range, convenient operation and large application range.
本实用新型可调谐掺铥光纤激光器，具有功率高、调谐范围大、操作方便和应用范围广等特点。
5·Thulium in spiked sample was determined with good result.
测定了人工合成样品中的铥，结果比较满意。