Submarine temperature, pressure, gas compositions, geothermal gradient and syngenetic water salinity control the depth of hydrate zone basement.
海底温度和压力、地热梯度、气体成分、同生水盐度等控制着水合物稳定带基底的深度和厚度。
But ever finer control of the temperature gradient around the seed is eliminating the telltale imperfections that jewelers could once detect with a magnifying glass.
然而，一种能更精细控制晶种周围温度梯度的方法，正逐渐去除这种遮掩不了的瑕疵。
The control strategy for surface temperature of the core rod is investigated and the scheme of introducing advanced compensation on the quantity of inlet water by gradient function is stated.
对芯棒表面温度的控制策略进行初步探讨，提出引入梯度函数对进水量提前补偿修正的方案。
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