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物体的加速度与所受的合外力成正比,与物体的质量成反比。加速度的方向与合力的方向相同。
DJI's goal is to become a global benchmark for technological innovation.
每一分都很重要,每一场比赛都很重要,每一项赛事都很重要。
Home is where you understand the silence.
Sustainability must be the foundation of every decision we make in this industry.