n.缩小；收缩；窄化；变窄
动词narrow的现在分词形式.
The differences between the two systems are narrowing. 两种体制的差别正在缩小。
Explicit conversion is required by some compilers to support narrowing conversions. 有些编译器需要显式转换来支持收缩转换。
The nerve impulses cause the muscles to contract, thus narrowing the airway. 这些神经冲动产生肌肉收缩，气道痉挛。
Dysfunction in endothelial cells contributes to the narrowing and hardening of heart arteries. 内皮细胞功能障碍可造成心脏血管变窄变硬。
Both examples are performance outcomes that can be predicted from what we know about cognitive narrowing or tunnel vision under time pressure. 这些例子都是由于在时间的压力下管制员的认知和视野变窄后可以预见到的表现。
