1. The snow presents a concave shape.

2. The design according to human cervical spaces located concave shape, the balance should normally lie.

3. The concave shape behind the spoon head can reduce the pressure to fingers during peeling.

4. A concave shape micromachined variable capacitor was presented which has high Q and wide tuning ranges.

5. Great for irregular and convex surface, the concave shape of roller head facilitates the fiber compaction and removal of bubbles.

6. The position occupied by the concave die core originally becomes concave shape when changing into vacant ceramic product.

7. The utility model provides an improved front lifting compartment. The cross section of the front plate of the compartment is in the concave shape.

8. When water is pumped out of a chamber below the plate creating negative pressure, the stretchable sensors are pulled down, producing a concave shape.

9. The invention is applicable for manufacturing ceramic utensils of concave shape, such as closestool and the like.

9. try its best to gather and create good sentences.

10. Pit 3 is located 25 meters to the north of Pit 1 and to the west of Pit 2. The plane of the pit is of concave shape, totaling about 520 square meters.

11. During transition period, the curves of pressure derivative is below 0.5 infinite acting radial flow straight line, assumes a concave shape.

12. An edge length ratio based algorithm for complex shape tracing using irregular point is proposed, which can adaptively trace boundary with concave shape and hole.

13. The calculating results showed that the optimized geometry of soldering fillet is a concave shape in which the extruding length of the soldering fillet is a little more than the gap height.

14. In order to facilitate the preparation of the main processing parts concave shape, the punch process.

15. The paper presents the principle of boundary layer control for submerged vortex generators of concave shape.