- Anti-submarine Practice Target Finding
- He must identify practical targets for cost reduction.
- Never especially seen as a practical target, Tirpitz's construction policy has been criticised for setting unrealistic expectations.
- Hunters shoot their guns at animals or at practice targets, but would never think of shooting their guns at something as insubstantial as the air, the sky, the wind or a breeze.
- We should practice economy even if we are rich.
- Theory of intersectant measurement for linear CCD array camera is studied in this paper.The precision of missile and cannonball are obtained in real time by practical target replacing a dummy target.