Bond hypothesized that the alternating cycles might be evidence of changes in ocean-water circulation and therefore in Earth's climate.
邦德推测，这种交替循环可能是海-水间循环变化的证据，因此也会影响地球的气候。
The authors suggest to control the sharpness and duration of the saw blade by alternating the metal bond matrix formula as well as the grit size and strength of the diamond.
提出通过改变配方中的金属粉比例及金刚石的粒度、 强度来调节刀头的锋利性和耐用度。
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