此举目的可用一个（已验证的）理论证明，即真正合并的航空公司通过中心所在提供更低价的机票。
The pursuit of this is justified by a (contested) theory that virtually merged airlines offer lower fares on flights through their hubs.
通过理论证明这种同步误差是收敛到零的。
语用频率和标记理论证明了排除关系是其基本的语义关系，其他的语义关系是通过添加标记词派生出来的。
It can be proved that except is its basic semantics by mark theory and pragmatic frequency. The other meanings are generated by adding some mark words.
通过现在一些理论证明电磁波完全能替化学反应中的催化剂。
By now some theory to prove that the electromagnetic wave can completely for catalyst in chemical reactions.
针对在实践中遇到的数控车床加工的干涉问题，提出了用编程来解决的方法，并进行了理论证明，通过反复实践证明也是正确的。
Aimed at the interference problem in NC-lathe while the processing, this paper brings forward the solution which utilize program, and it turns out that this solution is correct in theory and practice.
通过李亚普诺夫稳定理论证明跟踪误差是指数收敛的，仿真结果验证了这种方法的有效性。
It is showed by the Lyapunov stability theorem that the tracking errors converge exponentially. The simulation results illustrate the efficiency of this method.
通过李亚普诺夫稳定理论证明跟踪误差是指数收敛的，仿真结果验证了这种方法的有效性。
It is showed by the Lyapunov stability theorem that the tracking errors converge exponentially. The simulation results illustrate the efficiency of this method.
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