本文通过研究罗马尼亚s_2油井水泥在高温下形成水泥石的强度衰退规律，提出合理的加砂量并讨论了应加砂的温度范围。
This paper proposed the reasonable amount and the temperature of adding silica flour after studying the strength retrogression of Romania S_2 oil cement at high temperature.
因此，黄金是相对“抗经济衰退”的，它在2008年的相对强度证明了这点。
As a result, gold is relatively "recession-proof," as evidenced by its relative strength in 2008.
根据皮层小泡释放强度，可将皮层反应分为潜伏期、发展期、高潮期、衰退期四个时期。
According to the release intensity of the cortex vesicles, cortical reaction can be divided into the latent period, development period, climactic period, declining period.
根据皮层小泡释放强度，可将皮层反应分为潜伏期、发展期、高潮期、衰退期四个时期。
According to the release intensity of the cortex vesicles, cortical reaction can be divided into the latent period, development period, climactic period, declining period.
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