Based on MHD ballooning mode stability theory, marginal stability regions of the plasma ballooning mode in negative magnetic shear configuration are calculated in this paper.
根据MHD气球模稳定性理论，计算了负磁剪切位形中等离子体气球边缘稳定性区域。
And in co-ordination with maths methods, we will introduce the relative theory in management, such as marginal balance, the flexibility in enterprise management, and the idea of stability, etc.
同时，结合数学方法我们介绍了有关的经营管理原理，如边际平衡原理，企业经营的灵活性、稳定性等概念。
Results the marginal fitness, color stability and strength of crowns, and gingival health were satisfactory in the 25 patients.
结果25例全瓷冠桥修复体色泽自然，无裂纹和脱落，边缘密合，牙周健康。
Results the marginal fitness, color stability and strength of crowns, and gingival health were satisfactory in the 25 patients.
结果25例全瓷冠桥修复体色泽自然，无裂纹和脱落，边缘密合，牙周健康。
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