n.

a precautionary measure warding off impending danger or damage or injury etc.

"an insurance policy is a good safeguard"

同義詞：precautionguard

a document or escort providing safe passage through a region especially in time of war

同義詞：safe-conduct

A Safeguarded Teleoperation Controller
Safeguarded Teleoperation for Lunar Rovers
Identification system safeguarded against misuse
Safeguarded steplength algorithms for optimization using descent methods
Safeguarded Teleoperation for Lunar Rovers: From Human Factors to Field Trials
A standard's integrity: can it be safeguarded?
Well Worth Saving: How the New Deal Safeguarded Home Ownership
How can quality of health care be safeguarded across the European Union?
A standard form variant, and safeguarded linesearch, for the modified Karmarkar algorithm
Prevention of needle‐stick injuryEfficacy of a safeguarded intravenous cannula