恒定

• The test gave consistently positive results with virulent virus .
  用强毒病毒时，此试验恒定地呈现阳性结果。
• A process taking place at constant temperature is said to be isothermal .
  温度恒定时发生的过程叫做等温过程。
• We may take the form of a thermostatically controlled housing temperature .
  我们可以采取恒定控制罩温的形式。
• The method relies on the constancy of masses and of the length of the wire .
  这种方法依赖于悬重和弦长的恒定性。
• A precision pressure regulator maintains the carrier-gas pressure constant .
  精密压力调节器可以维持载汽压力恒定。
• It is a device used to measure the pressure of a fixed volume of gas .
  这是一种用来测量气体压强（在体积恒定下）的装置。
• The whole drum rotates at a steady speed of about sixty revolutions per second .
  整个磁鼓大约以每秒60转的恒定转速旋转。
• Reproduction is constant irrespective of climate and other variations .
  不管气候与其他环境条件如何变化，繁殖能力维持恒定。
• It enables the rotor with constant speed for maintaining steady output voltage .
  它使转子能以恒定速度转动，保持输出电压稳定。
• In a constant electric field, a charged particle experiences constant acceleration .
  在恒定电场中，带电粒子得到恒定的加速度。