Flight test is one of the four measures of the aeronautics research , used in the whole proceeding of research , design , appraisement , production and usage . and it is the most direct , the most accurate , the ultimo test measures 飛行試驗是航空研究的四大技術手段之一,它貫穿于研究、設計、鑒定、生產和使用的全過程,是最直接、最準確、最終的試驗手段。
It is known that over the last few years the supreme master ching hai international association has participated in these public clean up events in areas like pyrmont , ultimo and part of the royal national park , and has been greatly commended by the local government 在過去幾年清海無上師世界會曾在如pyrmont , ultimo及部分的皇家國家公園等地參加公共清潔活動,并受到當地政府極力贊揚。
英文解釋
in or of the month preceding the present one; "your letter received on the 29th ult" 同義詞:ult,