如果想玩更刺激的，那就可以选择水上滑翔降落伞(sky-skiing)——人被绑在一个像降落伞一样的帆上，由一艘船拉着在水面上前进。
For the more adventurous, sky-skiing involves being strapped into a harness attached to a parachute-like sail, and pulled along over the water by boat.
将充满的伞看成柔软的壳体，用力学原理建立伞绳(伞衣上径向加强带)和伞衣幅中线的力平衡方程。
The canopy under inflation is regarded as a soft shell, and the equilibrium equations in the radial member and gore centerline are established by mechanics theorems.
开伞冲击小：这个实际上是上一个话题的延续，开伞冲击是结构强度联系在一起的，而减小开伞冲击无可避免的的要增加充气时间。
Small opening shock: This is a continuation of the same issue as structural integrity: reduction of opening shock is inextricably linked to an increase in opening distance.
我在电车里坐下来，发现椅子上靠着一把伞，那是一把漂亮的，丝绸质地的伞，它的银把手上面还镶嵌着金子和发着光的珐琅片。
I sat down in the streetcar and there against the seat was a beautiful silk umbrella with a silver handle inlaid with gold and flecks of bright enamel.
这人只比露茜略高一点，头上打着一把伞，伞上满是雪，一片白色。
He was only a little taller than Lucy herself and he carried over his head an umbrella, white with snow.
在x—38计划的减速伞和超音速引导伞、在SDW减速稳定伞和主伞以及PLER伞上应用，均获得成功。
It has been successfully used in the X-38 drogue chute and its supersonic pilot chute, the SDW main chute, its drogue chute and the PLER parachute.
人只比露茜略高一点，头上打着一把伞，伞上满是雪，一片白色。
He was only a little taller than Lucy herself and he carried over his head an umbrella, white with snow.
上支架内端枢接在伞支杆环套上，且各该上支架外覆设一伞布；
Flection is arranged on a plurality of lower supports which are pivoted with the folding control sleeve of the umbrella.
他遇到一个栗树老仙，送了他一把神奇的伞，伞尖上立着一个陶瓷做的美人鸟。这把伞带着王子游历四方，从东到西，从北到南。
So the Old Hermit of the Chestnut Trees offered him a magic parasol, decorated with a porcelain bird-woman, which took him to the four quarters of the world, from East to West and from North to South.
再涂一遍白胶，只是这次只要给伞布上的伞绳刷下就可以了(见图8)。然后，等干了之后再上色。
Once again white glue was brushed on, but only over the strings on canvas (picture 8.) After that, let it dry and than paint.
上巢固定连接在伞柱的上端、中巢和下巢空套在伞柱上。
The upper nest is connected to the upper end of umbrella column; the middle and lower nests cover umbrella column.
上巢固定连接在伞柱的上端、中巢和下巢空套在伞柱上。
The upper nest is connected to the upper end of umbrella column; the middle and lower nests cover umbrella column.
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