读图，回答问题：

（1）写出图上ABC三地的经纬度

A______B______C______．

（2）A、B、C三点位于东半球的是______（填字母）．

（3）A、B、C三点位于中纬度的是______位于低纬度的______（填字母）．

（4）A点位于B点的______方向，C点位于B点的______方向．

Representations of software architecture are an enabler for communication between all parties (stakeholders) interested in the development of a computer-based system. An architectural style defines as a family of such systems in terms of a ① of structural organization. More specifically, each ② describes a system category that encompasses: (1) a set of components (e.g., a database, computational modules) that perform a function required by a system, (2) a set of ③ that enable "communication, coordination and cooperation" among components, (3) ④ that define how components can be integrated to form the system, and (4) semantic models that enable a designer to understand the overall properties of a system by analyzing the known ⑤of its constituent parts.

②是（）

A.style

B.phase

C.charter

D.schedule