常見例句The lamp is mainly used in the print and heliograph. 主要用於印刷業(yè),照相版制等。The heliograph must thus be carefully aligned in the first instance. 廻照器在開始時就要小心地對準。The heliograph must thus be carefully aligned in the first instance . 廻照器在開始時就要小心地對準。At last, the further designing content and requirement about the transmission system for solar radio heliograph are proposed. 最後,提出搆建太陽射電頻譜日像儀光纖傳輸系統(tǒng)需要進一步解決的問題和需深入探討的內容。The feature of optical fiber transmission system and its effect on the solar radio heliograph are analyzed in this article. 摘要分析了光纖傳輸系統(tǒng)的特性,及其對太陽射電頻譜日像儀的影響。Abstract: Based on actually-surveyed data, an analysis on the precision of infrared distance triangulated heliograph survery was done according to law of propagated error. 文摘:以實測數據爲依據,按誤差傳播定律對紅外測距三角高程測量的精度進行了分析,提出了在一定距離範圍內紅外測距三角高程測量能夠代替三、四等水準測量。 返回 heliograph