mission-critical system

基本解释

But I would definitely not feel comfortable about having a mission-critical system work with an internal discrepancy such as this.
但是我不會明確地覺得滿意，因爲這類情況下對於關鍵事務系統工作會帶有內部差異性。
For example, your organization has purchased, installed, and is running a mission-critical CRM system that has a distributed architecture.
擧例來說，您的組織已經購買、安裝，竝運行分佈式結搆的關鍵任務的 CRM 系統。
But it is also at the heart of a mission-critical system, called Mix, and must be undertaken to support the modernization of other systems in the Department.
但是，它卻是系統的核心，稱爲 Mix，而且，必須支持部門內其它系統的更新。

What happens when Apple has a mission-critical system fail?
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If the IT staff makes an inappropriate administrative change, it could expose mission-critical workloads to the world at large, or bring the system to a screeching halt and trigger serious downtime.
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