Coarse-grained components exhibit loose coupling, whereas fine-grained components are often tightly coupled.
粗粒度组件体现的是松散耦合，而细粒度组件经常是紧密耦合的。
2
The terms loose coupling (a small amount of fragility) and tight coupling (a large amount of fragility) are often mistakenly used as synonyms for coarse-grained and fine-grained components.
术语松散耦合（脆弱性较小）和紧密耦合（脆弱性较大）经常被人当作粗粒度组件和细粒度组件的同义词误用。
3
The population pulsation effect in the gain medium was considered to research the fine mode coupling effects in the laser gyro.