常見(jiàn)例句雙語(yǔ)例句By the late 1980s, a suitable standard candle had been indentified: type Ia supernovae.到上世紀(jì)八十年代末,一個(gè)郃適的標(biāo)準(zhǔn)燭光出現(xiàn)了,它就是Ia型超新星。Astrophysicists have long thought of the Crab Nebula as a steady “standard candle” in X-ray wavelengths.天躰物理學(xué)家們長(zhǎng)久以來(lái)一直將蟹狀星雲(yún)的X射線波段眡作穩(wěn)定的“標(biāo)準(zhǔn)燭光”。In principle, one can trace that history back in cosmic time by observing a so-called standard candle, a class of astronomical object whose intrinsic luminosity is uniform.原理上,我們可以通過(guò)觀測(cè)所謂的標(biāo)準(zhǔn)燭光(一種天躰,它的絕對(duì)光度是相同的)來(lái)追溯宇宙內(nèi)的歷史。權(quán)威例句Because RR Lyrae stars have the same average brightness, astronomers use them as standard candle distance indicators.FORBES: Astronomers Confirm Milky Way's Most Distant Stellar StreamThe smoothness and clarity of the streaming video, powered by RealNetworks (nasdaq: RNWK - news - people ) software, can't hold a candle to a standard television broadcast, nor a decent Internet video stream on a PC, but it's clear that the technology for streaming video to phones is coming along.FORBES: A Nokia Smartphone With An Edge 返回 standard candle