只有通过对该系统性能的研究，我们才能了解它的优点。
A、Onlythroughstudytheperformanceofthesystemitsadvantagescanbeunderstood.;
B、Onlythroughthestudyoftheperformanceofthesystemcanweunderstanditsadvantages.;
C、Onlystudyingtheperformanceofthesystemcanoneunderstanditsadvantages.;
D、Onlytostudytheperformanceofthesystemcanoneunderstanditsadvantages.
发布时间：2025-07-13 13:23:48
