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This thesis aims at developing a method for the vibration characteristics analysis and the fault diagnosis of steam turbine blades.

本文旨在建立一套完整的叶片动力特性分析系统及叶片故障诊断方法，并解决与此相关的一系列问题。

Floating leaf blades 15--30 cm; stigmatic disc entire, 7--19 mm in diam.

漂浮的叶片15 --30厘米；全缘的柱头花盘，7 --19毫米直径 2 N。

Floating leaf blades 6--17 cm; stigmatic disc deeply lobed, 4--7.5 mm in diam.

漂浮的叶片6 --17厘米；深裂的柱头花盘，4 --7.5毫米直径 1 N。

We've been trying to create streamlined designs ourselves for structures such as wind turbine blades.

而我们也一直在尝试流线型的设计，例如风力涡轮机的叶片。

Each blade subassembly has a pair of interconnected propeller blades extending in opposite directions radially of the shaft.

每个刀片组件有一个对相互关联的螺旋桨桨叶延长在相反的方向径向的轴。

Plants from lower elevations are larger with rounder leaf blades that are basally truncate to subcordate and with a serrate margin.

来自低海拔的植株较大，具圆形的叶片，其基部截形到近心形并且具锯齿边缘。

Leaf blades suborbicular, 3–5-veined, base rounded to subcordate, rarely cuneate, margin with a few crenate teeth above middle, apex usually 3-lobed.

近圆形的叶片，3-5－脉，基部圆形到近心形，很少楔形，边缘具一些齿在中部以上，3浅裂的先端通常。 38 S。 trilobata 三裂绣线菊

Leaf blades 1–2.5 cm wide; panicle dense, central axis concealed, branches suberect, densely spiculate.

叶片1-2.5厘米宽；紧密的圆锥花序，主轴线隐瞒，近直立，浓密细刺的分枝。

Leaves in spirals, usually odd-pinnate; leaflets opposite to subopposite; leaflet blades with margin entire or ± serrate.

叶螺旋状排列，通常奇数羽状复叶；小叶对生到近对生；小叶叶片边缘全缘或多少有锯齿。

" On the reverse, the Statue of Freedom surmounting a sunburst, encircled by two scimitars points down crossed at tip of blades, all above the inscription "FOR SERVICE IN IRAQ.

背面"，在公民自由像攻克一批森伯斯特，两个scimitars包围点下跌越过端的叶片以上的所有在伊拉克的事务题词"。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。