Through analysis, the burning of and properties of movement of the propellant beds have been further revealed for the initial ballistic stages.
通过分析，进一步揭示了药床在起始弹道阶段的燃烧和运动特性。
On the basis of ignition heating up curve, the ignition procedure is divided into three stages-heating, firing and burning.
根据点火曲线，可将其分为加热、着火和燃烧三个阶段。
However, the free model means that the huge investment, especially in the early stages of the accumulation of users, it is a "money-burning" of the game, not every manufacturer Chengde are down.
然而，免费模式意味着巨大的投入，特别是在积累用户的初期阶段，根本就是一场“烧钱”游戏，不是每一个厂家都撑得下来的。
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