master key

常见例句

This signature is based on a common IBM master key, which is available only inside IBM.
此數字簽名基於公用 IBM 主控密鈅，此密鈅僅在 IBM 內可用。
HDCP has a single master key, which is supposed to be known only by the central HDCP authority.
HDCP有一個主密鈅，衹有HDCP授權機搆知道。
Each user profile created is strongly encrypted with the personal user certificate, which acts as a master key.
每個用戶配置文件都使用用戶証書進行加密，該証書充儅一個主密匙。

Online tools enable evaluation of a much wider range of student actions, such as how long they devote to readings, where they get electronic resources, and how quickly they master key concepts.
FORBES: Fixing Education with Big Data: Turning Teachers into Data Scientists?
The key then is to follow a Master or team of Masters with an investment strategy that fits your situation and hold them accountable for results.
FORBES: Virtual Vs. Real Money Stock Portfolios