1.The fishing and hunting nationality in the north made use of astronomical phenomena change to determine time, direction, seasons, and was in the transition period from observing phenology to astronomical phenomena.
北方渔猎民族利用天象变化定时间、定方向、定季节，正处于从观察物候向观察天象的过渡时期。
2.An optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome.
天象仪一种能将天体和其它天文学现象的影象投射到半球状圆屋顶内表面的光学设备
3.astronomical phenomena
天象
4.The part of astronomical phenomena is worked out by adaptation of the modern adequate astronomy calculation.
天象部分是采用现代天文方法计算得出的，准确可靠。
5.The ancients woke up to Time from astronomical phenomena,alternant seasons and variational weather,learned to use nature resource from different physiognomy,different vegetation,and different products,and understanding the behavior,morality and value of their own form the twoness between human and beast,between everyman and saint,between humanity and ardor.
古人从天文现象、气候更迭、天气变化等“天”象中观察到“时”的变化,从地形地貌、植被物产、位置环境等“地”貌中发现对自然资源的利用,从人禽的二重化、圣凡二重化、性情二重化中明确了“人”的行为准则、道德操守、价值判断。
6.The times of many astronomical phenomena are frequently published as Julian day numbers (a sequential count of days starting from midday on Jan 1st, 4713 BC), and it can therefore be useful to be able to convert Julian day numbers to and from normal "calendar" dates.
一些天文现象的时间经常以儒略日的计数方式公布（一种连续的计算日期的方式，自公元前4713年1月1日的正午开始），所以，在儒略日和我们通常所用的日期计算方式之间转换是非常有用的。
7.ASTRONOMICAL PHENOMENA AND THE DETERMINATION OF THE DATE OF CHOU CONQUEST OF SHANG
伐纣天象及其年代的测定
8.a building designed and equipped to observe astronomical phenomena.
有天文观测仪器可以观测天文现象的一个台子。
9.In addition to the basic concepts of Newtonian Mechanics, Fluid Mechanics, and Kinetic Gas Theory, a variety of interesting topics are covered in this course: Binary Stars, Neutron Stars, Black Holes, Resonance Phenomena, Musical Instruments, Stellar Collapse, Supernovae, Astronomical observations from very high flying balloons (lecture #35), and you will be allowed a peek into the intriguing Quantum World.
除了牛顿力学、流体力学和气体动力论的一些基本概念外，本课程还包括一些有趣的主题：双子星、中子星、黑洞、共振、乐器、恒星坍塌、超新星、从飞得很高的气球上进行天文观测（第35讲），并且你能感受到量子世界的迷人魅力。
10.The 413-dey period, which appears to accord with period of the chandler wobble, may be a astronomical factor not to be ignored for the researchs on some geophysical phenomena.
413天周期与Chandler摆动周期相符,可能是探讨一些地球物理现象不可忽视的天文因素。
