防止车辆伤害的五不准内容是什么？
参考答案：
不准在铁路上行走；不准在铁路上坐卧休息；不准从车底钻越；不准从“天窗”穿越；不准以车代步。
瘤内无回声液区内见高回声团，边缘较清晰，附着于囊性瘤壁一侧，此种声像图称为（）
A.面团征
B.壁立结节征（ * * 征）
C.瀑布征（垂柳征）
D.脂液分层征
E.线条征
The software architecture of a program or computing system is the structure or structures of the system, which comprise software （11）, the externally （12） properties of those components, and the relationships between them. The architecture is not the operational software. Rather, it is a （13） that enables a software engineer to: analyze the （14） of the design in meeting its stated requirements, consider architectural alternatives at a stage when making design changes is still relatively easy, and reduce the （15） associated with the construction of the software.
（15）处填（）。
A. quality
B. budget
C. schedules
D. risks
