The mold manufacturing is the key part in imprint lithography process, which includes electron beam direct writing, stepping molding, and the conversion from small mold to big mold.

采用电子束直写、步进制模、压印翻制的压印模具生产工艺，其模具的制造是目前面临的难点。

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Based on the onflow theory, a 3-d model of fluids steel was established, calculation program developed the flow character of mold fluid steel on different nozzle conditions in beam blank c.

依据湍动能理论，本文建立了结晶器内钢液的三维湍流模型，开发了计算程序，研究了不同水口状态下异形坯结晶器中钢水的流动特性。

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An ejector rod and a female die are fixed at the lower part of the upper beam, and a mold core is mounted on the lower beam. The end of the mold core has at least one shoulder.

于上架梁的下方固定有顶杆和凹模，于下架梁上安装有其一端部至少有一个肩凸的型芯。

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It improved upon older radiation technology with a combination of new software and hardware that could mold a radiation beam to match the shape of a tumor.

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