Help!!!這幾個字點解??

Arithmetic operation (算術運算) - a mathematical operation involving numbers

Index notation is used in mathematics and computer programming to specify the elements of matrices or the components of a vector.

A special administrative region (SAR) (特別行政區) is a provincial-level administrative division of the People's Republic of China, for which creation is provided by Article 31 of the 1982 Constitution of the People's Republic of China

Tropic of Capricorn (南回歸線) is one of the five major circles of latitude that mark maps of the Earth. It currently (Epoch 2011) lies 23° 26′ 16″ south of the Equator

Fukios ?? 福建?? ~ I am not sure about this one.

Hoklo can mean the following:
• The Hoklo people (福建人), a geographically widespread cultural-linguistic group originating in southeast China (Fujian province), also called Hokkien.
• Min Nan, 閩南 the Chinese language group spoken by the Hoklo.

Sustainable development (SD) (持續發展) is a pattern of resource use, that aims to meet human needs while preserving the environment so that these needs can be met not only in the present, but also for generations to come

The cradle of civilization (文化發源地) is a term referring to any of the possible locations for the emergence of civilization. It is usually applied to the Ancient Near Eastern Chalcolithic (Ubaid period, Naqada culture), especially in the Fertile Crescent (Levant and Mesopotamia), but also extended to sites in Armenia,and the Persian Plateau, besides other Asian cultures situated along large river valleys, notably the Indus River in the Indian Subcontinent and the Yellow River in China.

1算數運算
2.索引標記法(指數記數法)
3.香港特別行政區
4.回歸線
5.不羈雄
6.福佬
7.可持續發展
8.西方文明的搖籃