entailment

1 . 需要思维

but beyond such instinctual emotions and their predictable behavioral responses , the possibility of more complex animal feelings -- those that entail mental processing -- is difficult to demonstrate .但是超出这种原始情感及其可预见的行为反应，即需要思维过程的复杂的动物情感，其存在的可能性是难以证明的。

1 . 系统需要

the VDT production system entails the vibratory ramming of earth moist , zero-slump concrete against rigid formwork until it is densely compacted and ready for immediate removal from the form .干料振动夯实法生产系统需要振动夯实钢性模具里的湿料和零塌落度混凝土，直到其完全密实，准备脱模为止。

1 . 逻辑蕴涵

logical empiricism 逻辑经验主义logical entailment 逻辑蕴涵logical equation 逻辑方程

1 . 节俭的结果

Yet such thrift entails either current account surpluses or fiscal deficits ., 但这种节俭的结果不是经常账户盈余 , 就是财政赤字.