短語(yǔ)詞組短語(yǔ)modern instrumental observation period 器測(cè)時(shí)期repeated observation period 複測(cè)周期Duration of observation period 觀察時(shí)間default observation period 違約觀察期observation period of underwriting 承保觀察期Intensive Observation Period 密集觀測(cè)期long -period observation 長(zhǎng)期觀測(cè)period of observation 觀測(cè)周期the period under observation 觀察期 返回 observation period