Bulling behavior is a commonly bad behavior in children.

欺负行为是儿童身上较为常见的不良行为。

Eg: I'm not gonna tell you my secret. So stop bulling me!

别逼我！我是不会对你讲我的个人隐私的！

The reasons of bulling were analysed, and the typical countermeasures and suggestions were put forward.

分析总结了离子膜出现鼓泡的原因，提出了针对性的预防措施和建议。

The motions of coal particles was simulated with the Discrete Element Method in the bulling fluidized bed.

应用离散单元方法对流化床内煤粒的运动进行了模拟。

The motions of coal particles was simulated with the Discrete Element Method (DEM) in the bulling fluidized bed.

应用离散单元方法(DEM)对流化床内煤粒的运动进行了模拟。