准确地评判物质平衡变化趋势则需将物质平衡与冰体动力学结合起来，并建立冰-海-气耦合模型。
It is necessary to combine the mass balance with the ice sheet dynamics and to develop the couple model of ice-ocean-atmosphere for accurate estimate of the mass balance state and its variability.
这写着在平衡状态一种物质，的浓度变化等于零，我们一会儿也会把它用作一种近似，当我们学习更复杂的机理的时候。
Writing at equilibrium that the change in the concentration of one of the species is equal to zero, we're going to use that as an approximation also later, when we get to more complicated mechanisms.
它还和大脑的生理变化相关和一种给大脑和神经传递信号的化学物质的不平衡有关。
It is related to physical changes in the brain, and connected to an imbalance of a type of chemical that carries signals in your brain and nerves.
南极冰盖的物质平衡和海平面变化是全球变化研究的一个重要内容。
Mass balance of Antarctic ice sheet and mean sea level are the factors in global change study.
胶体有机碳、氮、磷季节变化幅度并不很大，表明胶体物质在水体中输入和输出大体处于平衡状态。
The little seasonal change of colloidal organic carbon, nitrogen and phosphorus indicated that a balance is maintained between the input and output of colloid matter in the water.
在现有研究基础上，根据井筒内物质平衡原理，建立了基于SIMULINK下沉没度变化规律的动态仿真方法。
According to the principle of material balance in well bores the method of dynamic simulation to describe the changing rules of submergence depth is established in the paper based on SIMULINK.
另一个积极造福这个天然物质逐步它对改善血糖代谢平衡而认为不太微妙的变化，出现处方药品。
Another positive benefit of this natural substance is the gradual effect it has in improving blood sugar metabolism and balance, rather that the not so subtle changes that occur with prescribed drugs.
提要采用卫星测高技术研究两极冰面高程变化和物质平衡状态是目前国际研究的一个热点。
At present, it becomes a research hotspot in the world to study the changes of elevation and mass balance of polar ice sheets by satellite altimetry.
当大量液体物质或接近这一领域的电容不平衡发生，导致了在振荡电路放大的变化。
When a substantial or fluid substance nears this field a capacitance unbalance occurs and leads to a variation of the amplification in the oscillating circuit.
他们发现，食品生产方法的变化，使必需脂肪、维生素和矿物质消费量减少，食品中的营养平衡发生了改变。
They found that changes in the way food is produced have reduced the amounts of essential fats, vitamins and minerals consumed, and have altered the balance of nutrients in foods.
他们发现，食品生产方法的变化，使必需脂肪、维生素和矿物质消费量减少，食品中的营养平衡发生了改变。
They found that changes in the way food is produced have reduced the amounts of essential fats, vitamins and minerals consumed, and have altered the balance of nutrients in foods.
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