减少能量旨在产生一个低频范围，这在地震预测上具有重要的使用价值，但是降低发射频率将会给海洋生物带来些许麻烦。
The goal is to reduce the energy emitted to produce the lower frequency range that is useful for seismic, while decreasing the emission of frequencies said to cause trouble for Marine life.
结果表明，地下油气储层预测符合率达到75 % ，具有一定的使用价值。
The result of solid example verification shows that the rate of match attains 75% , and that this way is valuable.
多年来，在混凝土结构的疲劳性能和寿命预测方面，国内外专家取得了许多具有学术价值和推广使用价值的成果。
For years, in the field of fatigue resistance and fatigue life prediction of the concrete structure, domestic and foreign experts have made a number of valuable academic and practical achievements.
多年来，在混凝土结构的疲劳性能和寿命预测方面，国内外专家取得了许多具有学术价值和推广使用价值的成果。
For years, in the field of fatigue resistance and fatigue life prediction of the concrete structure, domestic and foreign experts have made a number of valuable academic and practical achievements.
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