- 重点词汇
- be used for用来做…;
- timbern.木材，木料;（用于建筑或制作物品的）树木;用材林，林场;素质;
- couldaux.“can”的过去式;能够，打算;用于假设语气的条件句;用于虚拟语气的结论句;
- pulpwoodn.纸浆用木材;
- sawn.锯;谚语，格言;
- assumev.假设，认为;承担（责任）;获得（权利）;呈现;假装;
- grazingn.放牧，牧场，草场;
- landn.陆地;地带，土地;地产，地皮;国度；国土;
- productionn.生产;产量;产生;排演;灌制;演出;
- orconj.或，或者;还是;不然，否则;左右;
- 相关例句
These trees have been utilized historically for industrial products such as pallets and pulpwood.
利用这些树木来生产托盘和造纸已经有多年历史.
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The soldier would not take the penny I offered him and brought me pulpy orange.
那士兵不肯接受我给他的一分钱,给我买来一只柔软多汁的橘子.
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The development of thyristor puls plasma arc welding power source is introduced in this paper.
本文介绍了晶闸管脉冲等离子弧焊电源的研制成果.
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Pulsar : A dense, rapidly rotating star that emits pulses of light.
脉冲星: 高密度 、 快速旋转、发射脉冲光的星体.
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As the pulsar rotates, this beam sweeps the sky a lighthouse beam sweeps around the horizon.
当脉冲量旋转时, 辐射束扫过天空,就像灯塔的光束绕地平面扫视那样.
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天文学家追踪观察它的运动, 并且第一次直接测量出了它的惊人速度.
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The comparisons between the frequency stabilities for atomic time and pulsar time are presented.
给出了毫秒脉冲星长期计时观测最新结果和脉冲星时与原子时频率稳定度的比较.
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The perspective of the pulsar observation of the FAST program is outlined.
展望了FAST望远镜观测脉冲星的前景.
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The present and potential situation of the pulsar observation research in China is analysed.
分析了我国脉冲星观测研究的现状和潜力、存在的问题和美好的前景.
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An introduction on the definition of binary pulsar time BPT was given.
对由双星系统内毫秒脉冲星的轨道运动定义的双星脉冲星时也做了介绍.
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There may be a real physical cause for dispersion of the pulsars out of the plane.
银道面外脉冲星数的弥散也许有其真正的物理原因.
词典精选例句
Pulsars, neutron stars and quark stars are then created based on their mass.
因质量的大小而形成脉冲星 、 中子星、夸克星,质量大到一定值的生成黑洞.
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Interest was renewed in the astronomical community with the discovery of pulsars.
天文学团体随着脉冲星的发现重新激发了兴趣.
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But certain stars, called pulsars , give off regular pulses of radio waves.
但有些恒星, 所谓的脉冲星, 会有规律地发出射电波脉冲.
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