synodic month

1. 朔望月：而月定义为朔望月(synodic month),朔望月是月球绕地球一周回到原来的月相(moon phase)的时间,朔望月平均周期是29.5306日. 所有历法都围绕这两个周期去订定.

2. 阴历月份：syn-hold 保持同步 | synodic month 阴历月份 | synodic periods 会合周期;朔望周期

3. 遡望月：supernova-超新星 | synodic month-遡望月 | syzgy-遡望

4. 朔望月[天]：synodic coordinate system 旋转坐标系[天] | synodic month 朔望月[天] | syphon 虹吸;虹吸管

1. It is shown that a tropical year was 405 days and a synodic month was 31 days about 5 × 108 a ago, which coincide with the paleontological data, and the " Gerstenkorn event " can never occur.
    理论给出在5×108a以前，地球回归年有405d，朔望月有31d，也与古生物学数据相符。

2. There are two kinds of almanac both in Historical Record Almanac and Record Of Han Almanac which have the same start-point but the synodic month and the average of period different.
    《史记·历书》和《汉书·律历志》分别记载了具有同一起算点，但朔望月与回归年平均值不同的两种历。

3. Selection of the Constant of Synodic Month in Ancient Chinese Calendars
    中国古代历法中之朔望月常数的选择

4. Time interval between two consecutive Hatsumi as a synodic month, length 2953059 flat solar day.
    连续两次朔日的时间间隔为一个朔望月，长度为2953059平太阳日。

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5. The synodic month is the time from one new Moon to the next. It ranges from 29.27 days to 29.84 days with a mean of 29.53 days.
    朔望月是一个新月到下一个新月的时间，它的时长从29.27天~29.84天，平均值是29.53天。

synodic month的意思

6. Synodic month 朔望月 The time taken for the moon to reappear at the same ecliptic longitude of the Sun as seen from Earth, which averages 29.53 days.
    月球连续两次到达与太阳相同黄经的时间。一个朔望月平均有 29.53 日。

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7. As another example, they specified that the mean synodic month was 29; 31, 50, 8, 20 days (four fractional sexagesimal positions), which was repeated by Hipparchus and Ptolemy sexagesimally, and is currently the mean synodic month of the Hebrew calendar, though restated as 29 days 12 hours 793 halakim (where 1 hour = 1080 halakim).
    此处虽然如此表示，但很难相信古希腊人需要定义秒古希腊的时间周期，像是平朔望月定义得非常精确，因为他们不是观察单一的朔望月，而是以相距数百年的食来测量朔望月的平均长度。不过，发展出摆钟来保持平时（相对於日晷所显示的视时），使得秒成为可测量的时间单位。

8. It is shown that a tropical year was 405 days and a synodic month was 31 days about 5 × 10 8 a ago, which coincide with the paleontological data, and the " Gerstenkorn event " can never occur.
    理论给出在5×108a以前，地球回归年有405d，朔望月有31d，也与古生物学数据相符。

1. This is known as the synodic month, and corresponds to what is commonly called the lunar month.

noun