But he says testing the sail in space will be critical.
但他表示，在太空中测试这种帆将是至关重要的。
Bill Nye says laboratory tests of the sail were successful.
奈伊表示，这种帆的实验室测试是成功的。
There was more bad news; the sail date had been delayed yet again to 31 October.
还有更糟的消息，船期再一次被延至10月31日。
Night watch also has to adjust the sail (or the SPAR) if winds change direction or strength.
假如风向和风力有变化，夜间值守的人还需要调整船帆。
Increasing thrust once in space could be a matter of adding more wires to the sail or making the wires longer.
而要想在空间中提高助推力，只需要给太阳帆增加更多的金属线或者释放更长的金属线。
The team also found four brass eyelets - probably from the sail cloth the body was believed to have been wrapped in.
这个团队还找到了四个铜环——也许是从被认为曾经裹着尸体的帆布上脱落的。
The fact of three sails does not necessarily mean that the sail area is larger than on a sloop of the same size, however.
然而，尽管它使用三面帆，却并不意味着它的帆面积比同等尺寸的单桅帆更大。
We're also going to be using small magnets to control the sail because they will interact with the Earth's magnetic field.
我们还打算使用小型磁铁通过磁铁与地球磁场的相互作用来控制风帆。
The sail captures constantly streaming solar particles, called photons, with giant sails built from a lightweight material.
这种帆非常巨大，用轻型材料制成，能捕获到稳定的太阳粒子流-光子。
For those not content with five-star luxury it offers the sail-shaped Burj al-Arab, the world's only seven-star hotel.
对于不满足五星级奢侈的人，他们提供船形的Burj al -Arab(伯瓷酒店)，这是世界上唯一的七星级酒店。
Darwin learned that the sail date had been postponed until 10 October, and that the voyage may extend longer than two years.
达尔文了解到出航日期已经推迟到十月十日，且航行可能超过两年。
The sail can only change its attitude by about 1 degree per day, Tsuda says, and it gets less effective the faster the sail spins.
津田说，太阳反射器变换姿态每天大约只有一度，而且转动越快效率越差。
They draw their energy from sunlight (the reflected light exerts a small pressure on the sail, driving it forward) and therefore need no fuel.
它们利用太阳光获取能量(反射的阳光施加小量压力与太阳帆上，进而驱动其前进)，因而无需燃料。
The balloon will spend a few hours rising to a cruising altitude of around 36 km, where the sail will be 129 meters [423 feet] in diameter.
气球将会花费几个小时升到大约36千米的巡航高度，那里行船直径将达到129米【423英尺】。
Not only that, but the sail will also act like a handkerchief, mopping up microscopic orbital detritus such as flecks of paint from previous launches.
不仅如此，翼板还会充当一个手绢的角色，擦抹干净细微轨道上的残留物，比如在前一次发射时留下的斑点印记。
The Panay monitor lizard in the Philippines is endangered for the same reason, as is the sail-fin water lizard whose hatchlings are sought for the pet trade.
菲律宾的班乃岛巨蜥也濒临灭绝，原因同上，帆鳍水蜥蜴也因同样的原因濒临灭绝，人们将刚刚孵化的帆鳍水蜥蜴幼仔用于宠物交易。
The halyard typically rises from the head of the sail to a block at the head of the mast and back down to deck level, from where it is pulled up to raise the sail.
升降索通常从帆的前侧延伸到桅杆顶端，然后下降到甲板平面，在甲板上拉起升降索就能升起船帆。
So it's not the sail area that matters when deciding between a sloop and a ketch, but differences resulting from having that area spread over three rather than two sails.
因此在决定选择单桅帆船还是双桅帆船时，决定因素并非帆面积，而是将这个帆面积分布在两面帆或是三面帆上带来的相应差异。
For example, if the sail is let out too far for the wind's direction, the leading edge may shake or start to blow inward. Tightening up the sheet usually corrects luffing.
例如，当帆在风向上被放出太多时，它的前缘可能会抖动或开始向内侧弯，将绳索拉紧通常能矫正之。
The sail in front, called the jib or sometimes the head sail, mounts on the forestay between the bow and the masthead, with its trailing corner controlled by the jibsheet.
前帆，被称作jib，有时也叫headsail，安装在连接船头和桅杆顶端之间的前桅支索上，其后部的帆脚由前帆帆脚索(jibsheet)控制。
The repaired sail lasted less than 24 hours.
修好的帆只维持了不到二十四小时。
While a ketch offers these advantages to cruisers, they may also be more expensive because of the added mast and sail.
尽管双桅帆给水手们提供了这些优势，它们也因为这额外的桅杆和船帆而造价更加昂贵。
They could not talk, the old sail flapped so furiously, even if the other noises would have allowed them.
他们说不出话来，因为那面旧帆篷响得太厉害了，噪音太大，没法交谈。
We discerned a sail on the horizon.
我们看见了地平线上的一只帆。
The high cost of steam and the lesser need for speed kept the majority of the world's ocean freight moving by sail until the early years of the 20th century.
蒸汽的高成本、加上货运对速度的低需求，使得世界上大多数的海运货物都是通过帆船来运输的，直到20世纪初，这一状况才有所改变。
Barny was the man with whom Leif discussed his plan to sail further west.
比阿尼就是和列夫一起讨论向西远航计划的人。
Barny was the man with whom Leif discussed his plan to sail further west.
比阿尼就是和列夫一起讨论向西远航计划的人。
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