a. 可行的,可能的
tomography n. 斷層攝影術(shù)
salinity n. 鹽濃度,鹽分
density n. 密度
acoustic a. 美聲的,聽(tīng)覺(jué)的,音感教育,音響學(xué)的
難句剖析
1. But in the 1950’s and the 1960’s, researchers began to employ newly developed techniques and equipment, including subsurface floats that move with ocean currents and emit identification signals, and ocean-current meters that record data for months at fixed locations in the ocean.
【解析】 這是一個(gè)復(fù)合句。 本句的主干結(jié)構(gòu)為researchers began to employ… techniques and equipment…; that move… signals 和that record data… in the ocean 均為定語(yǔ)從句,先行詞分別是floats 和meters,floats 和meters 為并列成分。
【譯文】 但是到了二十世紀(jì)五六十年代,研究者們開(kāi)始使用新技術(shù)和新設(shè)備進(jìn)行研究,其中包括:能夠跟隨洋流移動(dòng)并發(fā)射出辨識(shí)信號(hào)的水下漂流儀器和能夠在海洋中的一個(gè)固定地點(diǎn)持續(xù)數(shù)月紀(jì)錄數(shù)據(jù)的洋流儀表。
2. Mesoscale phenomena may, in fact, play a significant role in oceanic mixing, airsea interactions, and occasional—but far-reaching—climatic events such as El Nino, the atmospheric-oceanic disturbance in the equatorial Pacific that affects global weather patterns.
【解析】 這是一個(gè)復(fù)合句。 句子結(jié)構(gòu)為Mesoscale phenomena may, in fact, play a significant role in…;in fact 是插入語(yǔ);interactions和climate events 是并列成分;that affects global weather patterns 是定語(yǔ)從句,修飾disturbance.
【譯文】 事實(shí)上,紊流現(xiàn)象可能在空氣和海洋的互相影響中扮演了重要角色,也在一些偶爾發(fā)生但卻影響深遠(yuǎn)的氣候現(xiàn)象中扮演重要角色,比如厄爾尼諾就是這樣一種在赤道太平洋地區(qū)通過(guò)大氣和海洋的相互干擾來(lái)影響全球氣候的現(xiàn)象。
3. It is primarily this multiplicative increase in data obtained from the multipath transmission of signals that accounts for oceanographers’ attraction to tomography: it all
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