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- Chapter 2 presents the first quasi-simultaneous multi-frequency (2.3, 5.0, 8.4 and 15.4GHz) VLBI observations of the Compact Steep Spectrum (CSS) source 3C 138, and the fast-switching phase-reference observation was used only at 15.4GHz. 第二章研究致密陡谱源3C 138 的第一次多频(2.;3、5
- Simulations show by this method we can precisely estimate time delay for narrow band and line spectrum source in low SNR. 通过计算仿真结果证明这种方法对低信噪比下窄带和单频信号具有较高时延估计精度。
- There was a steep climb on the road out of town. 市外公路上有一处很陡的上坡路。
- Do you think you can climb that steep cliff? 你以为你能爬上那座悬崖峭壁吗？
- The Chandra Observations of the Flat Spectrum Source NGC 526A “平谱源”NGC526A的Chandra观测(英文)
- Let the tea leaves steep in boiling water for five minutes. 让茶叶在滚开的水中浸泡五分钟。
- The news comes from a reliable source. 这消息来自可靠的来源。
- That overloaded truck jibbed at the steep hill. 那辆超载的卡车爬不上陡坡。
- The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭岩石。
- The mountain rise up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
- The mountain rose up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
- They climbed the steep mountain inch by inch. 他们一点一点地攀上那座陡峭的山。
- The bus toiled up the steep hill. 公共汽车艰难地爬上陡峭的山岗。
- Our car stalled on the brow of a steep hill. 我们的汽车在山顶陡坡处抛锚了。
- The survey covered a broad spectrum of topic. 这本简史涉及的话题范围很广。
- We were winded by the steep climb. 我们爬那个陡坡累得上气不接下气。
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- I wouldn't pay 300 for his old car it's too steep. 我才不花300英镑买他那辆旧汽车呢--这个价钱太高了。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- This hill is too steep to ride up on a bicycle. 这山太陡了，骑自行车可上不去。
