selenium content的用法和樣例：
例句
- No significant changes for cardiac selenium content and superoxide dismutase activity wereobserved.
心肌硒含量和超氧物歧化酶活性均無(wú)改變。 - Detetmination of selenium content in blood samples collected from the healthy residents in Anshan,by new polarographic analysis was conducted.
采用新極譜法測定鞍山市健康居民的全血樣品硒含量。
