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Based on the map a relationship between creep life and holding time, has been suggested as life prediction criterion to provide a reliable base for safe operation of thermal power plant. 竝在此基礎(chǔ)上獲得作爲(wèi)壽命預(yù)測(cè)依據(jù)的蠕變斷裂壽命和保載時(shí)間的依賴關(guān)系，爲(wèi)電廠安全運(yùn)行提供可靠依據(jù)。
As the lamp house of high precision laser and auto collimation theodolite, the semiconductor laser is needed to solve the key problems:the safe application and the outputting power holding steadiness. 半導(dǎo)躰激光器作爲(wèi)高精度激光自準(zhǔn)直經(jīng)緯儀的光源，所需解決的關(guān)鍵性問題是它的安全使用及在工作溫度範(fàn)圍內(nèi)其輸出功率保持不變的問題。