long-period

常见例句

But on soft soils, vibrations from long-period seismic waves are amplified, possibly exacerbating the swaying of skyscrapers.
但是，在松軟的土層上，長周期地震波的震動會被放大，可能使摩天大樓的搖擺更加劇烈。
Matese first proposed the existence of this planet in 1999, based on a perceived bias in the points of origin for long-period comets.
1999年，基於長周期彗星的起源點在觀察上存在偏差的現象，馬泰塞首次提出了該行星存在的假設。
Astronomers John Matese and Daniel Whitmire of the University of Louisiana at Lafayette repeatedly claimed to have evidence of its existence based on irregularities among long-period comets.
路易斯安那大學拉斐特分校的天文學家約翰·馬泰塞和丹尼爾·惠特邁爾曾多次發表聲明表示，基於長周期彗星運行軌道的不槼則性，他們發現了該天躰存在的証據。
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Long-period comets,however, may take several hundred years to orbit the sun.
Stocks have paid 4% more a year over this incredibly long time period than short-term bonds.
股票在相儅長的一段時間裡,每年都比短期債券投資收益率,高出4個百分點。
耶魯公開課 - 金融市場課程節選
That's where I--once that gets going, it goes for a long period of time.
一旦開始了,就喋喋不休
耶魯公開課 - 聆聽音樂課程節選

After looking at the orbits of almost 300 long-period comets, they have concluded that too many are coming from particular parts of the sky.
ECONOMIST: X marks the spot
Long-period comets can arrive from any direction in space and are believed to originate in the Oort cloud (a reservoir of comets encircling the sun, the existence of which was worked out at the same time as the Kuiper belt by Jan Oort, a Dutch astronomer).
ECONOMIST: Unbuckling the Kuiper belt
Mr. O'CONNOR: The ICP technology involves drilling holes--vertical holes into the ground and inserting long electric heaters, which then gradually heat the rock over a long period of time, and over a long period of time--by that, I mean two or three or more years.
NPR: Industry Seeks to Extract Oil from Rocky Mountain Shale