Provides a multilevel switch to control tracing and debug output without recompiling your code 提供多级开关，用于控制跟踪和调试输出，而无需重新编译代码。
2.
Multilevel analysis of switch state alternation and a fast and efficient algorithm of distribution optimization operation were provided in this paper 论文结合开关交换和网络构建的思想，提出多级开关状态互换分析，构筑快速高效的配电网络优化运行算法。
3.
The falling rate of t _ ( d - ) p curve closely related with e / p or the energy of laser pulse ( e _ ( laser ) tested . the threshold voltage did n ' t depend on the pressure apparently . the delay and jitter decreased exponentially as the e _ ( laser ) increased C :建立了零维“ 2光子激发一2光子电离”激光触发火花隙数值模拟模型与考虑了levison修正的t . h . martin经验公式相结合的激光触发多级开关零维数值计算模型。
