Autumnal equinox

The Autumnal Equinox is the best time for wheat-sowing .

秋分种麦最相宜。

This year , the full moon and the autumnal equinox happened on the same day , for the first time in19 years .

今年，满月与秋分正好落在同一天，此种巧合为19年来的首次。

The autumnal equinox is the right time for sowing wheat .

秋分种麦正当时。

Today we 're talking about the autumnal equinox .

今天我们要看看秋分。

And the first official day of fall . Today , is the autumnal equinox when day is almost exactly as long night .

今天是秋天的第一天秋分，标志着白天和夜晚会一样长。

In fact , the full moon nearest the autumnal equinox is commonly referred to as the harvest moon .

事实上，靠近秋分的满月通常被称为收获的月亮。

The other point of intersection of equator and the ecliptic is called the Autumnal Equinox .

赤道和黄道的另一个相交点叫作秋分点。

In spring it is known as the vernal equinox , and in fall the autumnal equinox .

春天是春分，秋天是秋分。

It falls every year on the autumnal equinox , one of the 24 solar terms of the Chinese calendar , during the country 's agricultural harvest season .

农民丰收节定于每年的秋分时节，这是中国（农历的）二十四节气之一，也是我国农业丰收的季节。

Why do you celebrate the Autumnal Equinox ?

你们为什么要过秋分节呢？

The cultural significance of the fall equinox and changing of seasons continues today , especially in the northern hemisphere , where the autumnal equinox occurs around harvest season .

秋分的文化意蕴和季节改变在今天也继续影响着，特别是在北半球，秋分意味着丰收的季节。

Autumnal equinox : the point at which the ecliptic intersects the celestial equator , the sun having a southerly motion .

秋分：指黄道与天赤道相交的一点，自此太阳向南运动。

In the normal group , the phagocytosis function of alveolar macrophage at autumnal equinox was significantly lower than that at vernal equinox ( P < 0.01 ) .

正常组肺泡巨噬细胞吞噬功能秋分明显低于春分，有非常显著差异（P<0.01）；

Every year , several days before and after the spring Equinox and the Autumnal Equinox , the Synchronous satellite signals received by the earth stations are affected by the solar radiation .

每年春分和秋分前后几天中，接收同步卫星信号的地面站都会受到太阳辐射的干扰。

SD male rats , 180-200g weight , we got it from the laboratory animal center of HeBei Medical University fourteen days before Spring Equinox , Summer Solstice and Autumnal Equinox .

实验动物选用健康雄性SD大鼠，体重180-200g，分别于春分、夏至、秋分前14天购自于河北医科大学实验动物中心。

Method The pineal extirpating rat model was employed , and the indexes of spleen and thymus gland and the phagocytosis function of alveolar macrophage were observed at vernal equinox and autumnal equinox respectively .

方法采用松果腺摘除大鼠模型，测定春分、秋分大鼠脾脏指数和胸腺指数、肺泡巨噬细胞吞噬功能。