研究工作己经表明，青年人长期卧床休息后，其肌肉量迅速减少，肌力水平急速下降。
Studies have shown that even young people's muscle mass and strength quickly deteriorate when they're confined to bed rest.
适当的掺量可减少混凝土坍落度的经时损失，提高混凝土强度。
Results indicate that proper quantities of ultra-fine limestone flour can help engineers to decrease the time-loss of concrete slump constant and to increase concrete strength.
运用数字化创成技术加工的圆柱凸轮，经实践检验，是成功的，减少了当前圆柱凸轮加工中的人为干预和繁重工作量，提高了圆柱凸轮的加工精度和工作精度。
Cylindrical CAM machined by digitized generation technology is successful in practical test, which reduces the heavy workload, improves the cylindrical CAM's manufacturing and working precision.
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