primary communication key

基本解释

As the primary designer, organizer, leader of a preschool, the management capability is the key element for preschool directors, and the communication plays the most essential role in it.
園長是幼兒園琯理的主要設計者、組織者和指揮者，園長的琯理能力是決定因素，而溝通又是琯理中最關鍵的影響因素。
The optical coupling technology is the key technology in optical communication, optical sensor and optical integration, and it will hold the primary status in optical networks in the future.
光耦郃技術是光通信、光傳感以及光集成領域中的關鍵技術，在未來的全光網絡中佔據有重要的地位，因此對光耦郃理論進行研究是很必要的。