staged limited-entry technique 分段限流量法
Spacecraft entry technique 航天器进入技术
re-entry technique 侧钻技术
Objective: To study the best entry points, direction and length of screw in acetabular anterior column lag screw technique.
目的：研究髋臼前柱拉力螺钉内固定技术中螺钉的最佳进钉点、方向和长度。
Objective to study the best entry points, direction and length of screw in acetabular anterior column plate technique, and to prevent the serious complications of screw penetrating the joint surface.
目的研究髋臼前柱钢板内固定技术中螺钉的最佳进钉点、方向和长度，预防发生螺钉穿入关节内的严重并发症。
The entry convergent flow pattern was observed with flow visualization technique when the resin melt flowed through a die featuring abrupt contraction in cross-section of channel and axial symmetry.
应用毛细管流变仪测量了在接近实际挤出工艺条件下低密度聚乙烯熔体的流变性质； 应用流动可视化技术，观测了试样熔体流经突然收缩的轴对称口模时的入口收敛流型。
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