The physical property of oscillator driven by quasi-constant field is studied.

研究了准恒场驱动谐振子的物理特性。

youdao

A constant field in a class is similar to a global or function constant, except that it is scoped to the class and it can have various modifiers governing its visibility and usage.

类中的常数字段类似于全局或函数常数，不同的只是它的作用范围是该类，而且它可以用多个修饰符来指定其可见性和用法。

youdao

A constant, field, property, or type introduced in a class or struct hides all base class members with the same name.

类别或结构所引入的常数、栏位、属性或型别可隐藏所有具相同名称的基底类别成员。

youdao

The one historical constant in my field is that each time a claim of human uniqueness bites the dust, other claims quickly take its place.

WSJ: The Brains of the Animal Kingdom

Barely 5ft 9ins and less than 13 stone, he's a midget in a land of giants, but what he lacks in size he more than makes up for with mouth, a constant chatterbox on and off the field, fired by a perceived sense of injustice at the way his country has been treated by the rugby elite.

BBC: Argentina's new hero

At that age, teammates play all the positions, and Martin, with a near-constant grin, was happy anywhere on the field, Mr. Calderon said.

WSJ: In Boston Neighborhood, Shock at Death of 8-Year-Old