controllable companion form

例句：

1. 1. The new system is designed tobe controllable by the user.
   新系统被设计成用户可以轻松控制。
2. 2. The projectrequires careful management to ensure its controllable progress.
   该项目需要仔细管理以确保可控的进展。
3. 3. The scientist found that the substance wascontrollable at low temperatures.
   科学家发现这种物质在低温下是可控的。