Migrating geese fly in a V formation to save energy.
迁移中的大雁群成v字队形飞是为了节省能量。
By flying in V formation the whole flock adds at least 71% greater flying range than if each bird flew on its own.
以V字形队列飞行的整个鸟群会比一只单独飞行的大雁多至少71%的飞行区域。
Since 1914, scientists have known that birds flying in formation—a V-shape—expend less energy.
自1914年以来，科学家们已经知道，以V字形队形飞行的鸟类消耗的能量更少。
Since 1914, and a seminal paper by a German researcher called Carl Wieselsberger, scientists have known that birds flying in formation—a V-shape, echelon or otherwise—expend less energy.
1914年，一位名叫卡尔▪维塞尔斯伯格的德国研究员发表了一篇具有重大意义的论文，科学家们从中得知，鸟类在飞行的时候排成V字、梯形或倒过来时，会节省体力。
The existence of recycled basaltic oceanic crust in the axial zone of mantle plume may be the key of the formation of giant V-Ti-magnetite deposits.
岩浆源区再循环玄武质洋壳的存在可能是该区超大型钒钛磁铁矿床形成的根本原因。
The I-V curves of the initial stage of porous silicon formation have been measured, and the amount of charge transfer for silicon atoms adsorbed different elements has been calculated.
测量了在多孔硅形成初期阶段的电流i -电压V曲线，计算了硅表面原子吸附不同元素时电荷的转移量。
As the planes sped by, we were impressed by the perfect symmetry of their V-formation.
当飞机飞过时，那完美匀称的V形排列给我们留下了深刻的印象。
Curtiss F9C-2 "Sparrowhawk" fighters, flying in a "v" formation, circa 1933-1935. (Image courtesy of the U. S. Naval Historical Center.)
雀鹰战斗机，以V型编队飞行，约在1933- 1935。(影像提供：美国海军历史中心)。
In order to save materials and promote the productivity, the cleavage spinning technology is adopted to the formation of V-type or multiple moulding sheave of auto engine.
为了节省材料和提高生产率，采用劈开式旋压工艺将拉深的毛坯旋压成汽车发动机用V型或多模式皮带轮。
Several uranium anomalies in Yan'an Formation, Unit V, have been found in the north-east margin of Ordos Basin, which are important for building the prospective uranium reserve base.
在鄂尔多斯盆地东北部，延安组第V成因单元存在着多处铀异常，这对铀的后备战略基地建设有重要意义。
Based on the formation mechanism of penetration, the reason causing penetration defects of V-process castings was analyzed with considering the features of vacuum moulding process.
结合铸件粘砂机理，从V法铸造的成型特征上分析V法铸造铸件的粘砂原因。
Here we report an isolated theropod left metatarsal IV (IVPP V 18060) from the upper part of the Shishugou Formation, exposed at the Wucaiwan Locality in the northeastern part of the Junggar Basin.
描述了一件新的采自准噶尔盆地东北缘五彩湾地区石树沟组上部的兽脚类恐龙左第四跖骨标本(IVPPV 18060)。
Here we report an isolated theropod left metatarsal IV (IVPP V 18060) from the upper part of the Shishugou Formation, exposed at the Wucaiwan Locality in the northeastern part of the Junggar Basin.
描述了一件新的采自准噶尔盆地东北缘五彩湾地区石树沟组上部的兽脚类恐龙左第四跖骨标本(IVPPV 18060)。
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