Three far correlation factors resulting in three large floods along the Yangtze River in the 20th century are analyzed as follws: (1) sunspot activity, (2) EL Nino event, (3) drastic earthquake in the south of the Tibet Plateau.
分析了形成２０世纪长江３次巨洪的３个遥相关因子：（１）太阳黑子活动，（２）厄尔尼诺事件，（３）青藏高原南部大震。
In accordance with sunspot activity and historical and measured data of flood disaster at the Yangtze River ,Huang huai drainage basins since 1840,it is concluded that the Yangtze River,Huang Huai drainage basins will probably have a huge flood around 1997.
根据太阳黑子活动和长江、黄淮流域１８４０～１９９４年历史和实测的洪水资料，推断在１９９７年及其前后，长江、黄淮流域很有可能出现一次特大的洪水。
This is an intriguing theory that droughts tie in with the sunspot.
这是一个关于干旱与太阳黑子活动周期有关的令人感到有趣的理论。
Solar-like Activities in Late-type Stars: ( Ⅰ ): Starspots, Stellar Activity Cycles and Magnetic Field
晚型恒星中的类太阳活动(Ⅰ):恒星黑子、活动周和磁场
THE RAPIDLY EMERGING OF THE SUNSPOT GROUP IN SESC 2372 REGION IN APRIL 1980
1980年4月2372活动区中黑子群的快速浮现
There is evidence that aspects of weather and climate are also synchronized with sunspot activity.
有数据表明，天气和气候的某些方面也随太阳黑子的活动而改变。
The few night-flitting things-bats, moths, owls-were vigorous in the warm darkness.
少数夜游的动物——蝙蝠，蛾子，猫头鹰——在温暖的黑暗中非常活跃。
(astronomy; of the sun) characterized by a high level activity in sunspots and flares and radio emissions.
（天文学；指太阳）以太阳黑子、耀斑和辐射的高等级活动为特点。
A MORPHOLOGICAL STUDY OF A SOLAR ACTIVE REGION IN AUGUST 1972
1972年8月太阳活动区的形态研究 Ⅰ.黑子精细结构的形态
SUNSPOT El NI N O AND TYPHOON ACTIVITY OVER THE NORTHWEST PACIFIC OCEAN
太阳黑子、厄尔尼诺及西北太平洋热带气旋的活动
The ad portraits a fisher in black wearing a black mask.
活动广告上画有一个穿著黑衣戴黑口罩的渔夫。
Conditions on the 15 and 10 meter novice band are slowly improving these days, although the current sunspot cycle 23 is now slowly diminishing
尽管最近太阳黑子的活动正在衰减，但15米和10米的初学者常用波段的传播情况也在慢慢好转。
Asia Money Laundering Symposium
亚洲清洗黑钱活动座谈会
The program will particularly benefit Black women,
这项活动尤其会使黑人妇女受益，
non-triad-related gang activity
与黑社会无关的纠党活动
His election campaign was bankrolled by the Mafia.
他的竞选活动有黑手党的财务资助。
black box
黑匣子（装在航行器上的自动电子设备）
dynamic nesting of subprogram activation
子程序活动动态嵌套
Effects of Glossy Privet Fruit on the Tyrosinase Activity and Melanogenesis of Cultured Human Melanocytes;
女贞子对人黑素细胞酪氨酸酶活性和黑素合成影响的实验研究
A term used to describe underworld societies such as the Mafia who deal in crimes such as gambling, narcotics, and prostitution.
黑手党之类的黑社会组织所进行的犯罪，如赌博、毒、*活动。