Under new European Union rules, enforceable by national regulators, senior executives' cash bonuses are limited to 20 per cent of total pay, with the rest deferred for as much as five years.
新的欧盟规定，国家监管机构可强制执行，高级管理人员的现金奖金被限制于总薪酬的20%，其余的可被推迟长达五年。
The forms of communication that animals use are much more limited-they can express a desire to mate, or warn of the approach of a predator, but those calls cannot be combined to mean something new.
动物采用的交流形式非常有限，他们能发出求偶信号，或者入侵警报，但是那些信号不能被组合起来表达其它新含义。
To accommodate more users with limited spectrum, the radius of new cellular will be much smaller, the factor of spectrum reuse will be more tight.
为了在有限频谱范围内满足更多的用户需要，通信系统的蜂窝半径越来越小，频率复用密度越来越高。
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