tc abbr.【化】同“technetium” 网络总胆固醇(total cholesterol)；血清总胆固醇；技术委员会(Technical Committee) 例如：
1. CONCLUSIONS: The relationship between serum total cholesterol (TC) anddementia seems to be bidirectional. 结论：血清总胆固醇水平与老年痴呆的关系似乎是双向影响的。
2. The first line indicates that this test log is for the test case named Tc
1. 第一行表明这个测试日志是针对名为Tc1的测试用例的。