adjustment under variable conditions的用法和样例：
- Heating operation experiment of air-source heat pump chiller with refrigerant R410A under variable conditions has been conducted.
- Calculation method of the fan speed control for the dust removing system under variable conditions
- A new real-time eye tracking algorithm is presented that works well under variable and realistic lighting conditions and various face orientations.
- A unit specified by a scale, such as an inch, or by variable conditions, such as a day's march.