我意思是弧长可正可负。
她穿着黑色长裙，戴着长可及地的白色亚麻面纱。
She was dressed in a black gown with a floor-length veil of white linen.
在任何突发的紧急状况下董事长可自行采取行动。
例如，可长可换股债券及短期发行人的基本权益。
For example, can be long convertible bonds and short the underlying issuers equity.
经三分之一以上的董事提议，董事长可召开董事会临时会议。
The chairman may convene an interim meeting based on a proposal made by more than one third of the total number of directors.
我们的程序设定了数据库跟踪周期，周期短可短到一小时，长可长到一星期，因市场走势而定。
The database tracking time period is set in our program, and could be as short as one hour or as long as one week, based on the market move.
这些轴承没有内圈上，使辊筒长可安装中央肋骨，改进运动学，优化的表面，甚至更高性能的材料是可能的。
These bearings do not have a central rib on the inner ring so longer barrel rollers can be fitted; improved kinematics, optimised surfaces and even higher performance materials are possible.
我累了。这一天可真够长的。
白鲟体长约2到3米，可长至7米以上。
The Chinese paddlefish was about 2 to 3 meters long and could grow longer than 7 meters.
它巨大的叶子可长到直径2.5米长。一片发育完全的叶子可支撑一个孩子坐在其中央。
Its huge leaves grow to 2.5m in diameter, and a fully-grown leaf can support a little kid sitting in the center.
这单子可真长！既然你已经听过我的100种说爱你的方法了，为什么不在评论中和大家分享一下你的创意呢？
Now that you have heard my 100 ways to say I love you, why not share your ideas in the comments below?
可她拿出了一枚长的帽针。
也许因为那又长又黑的冬天，格陵兰人无事可做，所以相对于他们不多的人口，创造出了许多各种各样的音乐。
Perhaps because of those long, dark winters, with so little else to do, Greenlanders have developed a wide variety of music, relative to their small population.
降低支出额需要相当长的时间，可到那时候，希腊就岌岌可危了。
Bringing them down will take time, and Greece does not have much of that.
一位船长回忆说，她身后可一点儿也不缺男水手和服务生追，但她却很善于婉拒那些关系更进一步的要求。
One of the skippers recalls how she was' lusted after 'by male deckhands, but was very adept at turning down their advances.
温斯顿表示，她是在一场商务会议中与麦道夫结识，当时她担任慈善女性组织「哈达莎」的财务长，可参与组织中的投资决策。
Weinstein says she met him at a business meeting when she was chief financial officer for the charitable women's organization Hadassah, where she had a role in investment decisions.
可如果你的书桌不够长也不够宽，那么试着把键盘放在你的腿上，在前缘下面放一个小垫子。
If your desk isn't wide or deep enough, try setting the keyboard on your lap with a small cushion under the front edge.
希腊人已有世纪长的,诗学教育传统,可回溯到几个世纪前的荷马,与赫西奥德，他们为,英雄美德与公民生活确立了典范。
The Greeks already had a century's long tradition of poetic education going back centuries to the time of Homer and Hesiod that set out certain exemplary models of heroic virtue and civic life.
双面剃须刀比可抛弃型剃刀寿命长的多。
A double edged razor will last a lot longer than disposable razors.
头发每个月可长12毫米，如果一个人从不剪发，头发会长至108厘米才开始脱落。
Hair grows about 12 mm per month. If a person never has his hair cut, it would grow to a length of about 108 cm before falling out.
头发每个月可长12毫米，如果一个人从不剪发，头发会长至107厘米才开始脱落。
Hair grows about 12 mm per month. If a person never has his hair cut, it would grow to a length of about 107 cm before falling out.
如果这些测试将获得成功，最终的计划将是发射电子帆飞船，可展开多大100个20千米长25微米厚的导电纤维。
If those tests are successful, the eventual plan is to fly an e-sail craft that will unfurl a circular array of up to 100 20-kilometer-long conductive filaments only 25 microns thick, Janhunen says.
可瞧她的鼻子，是稍有点长的鹰钩鼻。
But look at her nose. It's a little bit too long and hooked at the end.
在山顶的观景亭可俯瞰山路和320米长的瀑布。
At the top, there is a viewing balcony which overlooks the road and the Stigfossen waterfall, a 320 m long waterfall which falls down the mountain side.
BLackwell书店希望在这个夏末前，藏书种类能够超过一百万——这个数量可装满23.6英里长的书架或50家书店。
Blackwell hopes to increase this to over a million titles by the end of the summer - the equivalent of 23.6 miles of shelf space, or over 50 bookshops rolled into one.
BLackwell书店希望在这个夏末前，藏书种类能够超过一百万——这个数量可装满23.6英里长的书架或50家书店。
Blackwell hopes to increase this to over a million titles by the end of the summer - the equivalent of 23.6 miles of shelf space, or over 50 bookshops rolled into one.
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