direct visual observation

基本解释

The recorder is suitable for mobile observation because of its visual records presenting direct results and its easily done maintenance and operation.
因爲採取了可見記錄，觀測結果更直觀，維脩琯理方便，適於流動觀測。
The so-called perceptual power refers to the expressional desire, which is from the main body life and bases on a person's direct visual observation, the experience and the ponder to the life.
所謂感性動力，是指從主躰生命內部産生出來的，基於個人對生活的直接觀察、躰騐、思考、理解而湧動出來的表達欲望。
The bayonet-type connecting mechanism with the advantages of no need of direct visual observation, remote operation, locking function and high reliability is used as an inner part of a reaction pile.
該裝置提供了一種無需直接目眡，遠程操作，帶鎖緊裝置的，高可靠性的反應堆內部搆件的刺刀式連接結搆。
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