We hypothesized that lenient rate control is not inferior to strict rate control for preventing cardiovascular morbidity and mortality in patients with permanent atrial fibrillation.
我们假设，在有永久性房颤的病人中，在预防心血管并发症和死亡方面，温和的心率控制不劣于严格的心率控制。
This technique mainly occurs in the management system of checks, the internal control system is not strict units.
这种手法主要发生在支票管理制度混乱、内部控制制度不严的单位。
If the planning is reasonable, good raw materials, strict control of injection molding technology, this part can not be damaged.
假如规划合理、原料好、严控注塑技术，这个零件根本不可能损坏。
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