ttg
['ti:t'i:dʒ'i:]
abbr.
time to go 发射时间（美国空军）;
例句:
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The most frequent rpoB gene mutations sites are Leu - 531 ( 6 isolates , CAC → TAC ) , Tyr - 526 ( l isolate , GAC → GTC ) and Val - 516 ( 7 isolate, CAC → TAC ) .
19株 SSCP 阴性耐药株中经测序6株在531位密码子TCG→ TTG, 1株526位密码子CAC→ TAC,7株发生在516位密码子GAC→ GTC, 5株未改变.
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Both the well - preserved greenstone belt and TTG - reworked granite - greenstone belt are favorable for gold deposit formation.
无论是保存相对完好的绿岩带还是被 TTG 改造后的花岗 — 绿岩带,均有利于金矿形成.