constant return

基本解释

Figure 1: Reduced costs, constant return
图 1: 成本降低，利润不变
ROI variation 1: Cost reduction, constant return
投资回报变体 1：成本降低，利润不变
The clean operating department applies eight unattached clean air conditioning systems, and applies the secondary return air systems with the constant return air rate.
洁净手术部采用八个独立的净化空调系统，采用固定一、二次回风比的二次回风系统，洁净手术室送风装置采用阻漏式洁净送风天花。

So this line or these lines of code up here are arguably constant time steps to say if N is less than 2 in return, that it will always take maybe one step, maybe two steps, some number of fixed CPU cycles.
如果N小于2并返回,那么这些行所对应的代码,通常只需要执行一步，或者两步，具体数字与CPU周期有关。
哈佛公开课 - 计算机科学课程节选

Do you maintain a California base in a state of constant readiness for your return?
FORBES: Leaving California And Its Taxes? Be Careful
Flowers was growing impatient with constant losses and Corzine was brought in to return the firm to profitability.
FORBES: Uncontrolled Risk Taking, Not Bad Accounting, Did MF Global In
Sorrentino, a Forbes contributor, spoke with me Thursday from Paris, France, where he is currently on a trip with plans to return Friday, and says he has been in constant contact with his team to ensure the support systems are all working as intended.
FORBES: NJ Bank CEO: We're Running On The Backups To Our Backups