Fewer options to reduce sail area with stronger winds (only reefing or furling).
遇到强风时，减少帆面积的方法比较少，只能是收帆或缩帆(reefing orfurling)。
In all, a ketch carries about the same total square footage of sail area as a sloop of the equivalent size.
总而言之，一艘双桅帆的总体帆面面积和一艘同样尺寸的单桅帆差不多。
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。
Sail area is usually planned by boat designers based on the boat's size, displacement (weight), and hull shape and configuration - not the number of masts or sails.
帆面积通常是由帆船设计者根据帆船的尺寸，重量，船底形状和配置来确定的，而非根据桅杆或船帆的数量。
For example, with the wind at an intensity that a sloop might have to double-reef the main to reduce sail area, a ketch may sail very well under just jib and mizzen.
例如，当风速在某个强度上时，单桅帆可能必须将主帆四叠起来以减少帆面积，而双桅帆则可以只用前帆和后帆来顺利航行。
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。
They could sail out for days into the unknown and assess the area, secure in the knowledge that if they didn't find anything, they could turn about and catch a swift ride back on the trade winds.
他们可以在未知的海域航行数天，并对该地区进行评估。他们知道如果没有发现任何东西的话，他们可以掉头，并借着信风迅速返回。
Golden Sail Symphony Orchestra of Beijing 101 High School and performing arts groups in Great Washington area presented over 30 performances.
今年的演出中，来自中国北京101中学金帆交响乐团与大华府地区侨界的文艺团体共同为广大观众奉献了30多个精彩的文艺节目。
The captain charted this area out and it's quite safe to sail in it.
船长在航海图上标出了这个区域，在这一区域里航行是相当安全的。
Farmers made a special trip to come to set sail across the Jiangsu area.
江苏一带农民专程乘轮船前来。
Finally, this paper discusses the occurrence frequency and distribution area of light pollution at sea, providing reference for ships likely to sail around these waters and further research.
最后，对海上光污染出现频率和分布区域进行讨论，为航行于这些区域的船舶和后续研究提供参考。
Finally, this paper discusses the occurrence frequency and distribution area of light pollution at sea, providing reference for ships likely to sail around these waters and further research.
最后，对海上光污染出现频率和分布区域进行讨论，为航行于这些区域的船舶和后续研究提供参考。
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