金属时代

金属时代

Times of the metal

早在裸金属支架时代，就曾报道过3%的亚急性血栓发生率。

In the early days of bare-metal stenting , there was a3 % subacute thrombosis rate reported .

由于Re，Os独特的地球化学性质，Re－Os同位素体系可以用来确定特定矿床的形成年龄，特别为金属矿床形成时代的研究开辟了新的途径。

Re-Os isotopic system is a widely used method in earth science researches since 1990 's , the u-nique characteristics of Re-Os isotope make it possible to determine the age of some special kinds of ore de-posits , especially the age of metallic ore deposit .

粤北连平地区钨锡多金属矿床成矿时代研究

Metallogenic ages of tungsten-tin polymetallic deposits in Lianping area , northern Guangdong Province

管道工程中，塑料给水管取代金属给水管是时代发展的需求。

In the pipe engineering , replacing the metal water-supply pipe with the plastic water-supply pipe is the requirement of the development of the times .