The trefoil is the simplest knot in mathematicians' classification.
按照数学家们的分类，三叶形是最简单的纽结。 所谓纽结，它是三维空间中不与自己相交的封闭曲线，或者说是三维空间中与圆周同胚的图形。
Trefoil key pendant in sterling silver. 2.25 "long. Chain sold separately."
纯银三叶草钥匙吊坠。2.25英寸长。可单独出售项链。
The taste is crisp with light traces of trefoil and tones of mint and pepper.
口感清爽，带有淡淡的车轴草味道及薄荷和胡椒的色调。
Trefoil factor family (TFF) consists of three members, including TFF1, TFF2 and TFF3.
三叶因子家族包括乳癌相关肽(TFF1)、解痉多肽(TFF2)和肠三叶因子(TFF3)。
The classic adidas three stripes and adidas trefoil have become iconic and world renowned.
这三个经典的条纹和阿迪达斯三叶草和阿迪达斯已经成为世界知名的标志性。
Single core cable shall be installed in either trefoil or flat formation and secured using cleats.
单芯电缆可以用三叶草法或者平直法植入。并用夹板固定。
Our company is the production of professional trefoil Roots blower manufacturers of products used in Japan.
我公司是生产三叶罗茨风机的专业厂家，产品采用日本工艺。
TFF (trefoil factor family) peptides are well known for their protective and healing effects after mucosal damage.
三叶肽家族在维护胃肠道黏膜的完整性和损伤后修复方面起重要作用。
Pipeline leading to the Mainland, located above the impeller flow trefoil drive shaft for power generation or to take power .
在通往内地的管道中，设三叶以上的叶轮水流轴传动用作发电或取动力。
The taste is crisp with light traces of trefoil and tones of mint and pepper. In the aroma hints of the meadow daisy can be felt.
口感清爽，带有淡淡的车轴草味道及薄荷和胡椒的色调。您可以感觉到一丝长命菊的芳香。
Objective: to investigate the expression of trefoil factor 1 (TFF-1) and its relationship with the angiogenesis in gastric cancer.
目的：研究三叶肽因子1 (TFF - 1)在人胃癌组织中的表达及其与胃癌血管形成的关系。
The longer the length of trefoil polypropylene filament fiber, the better the anti-dry-shrinkage cracking property of cement mortar.
掺入的三叶形聚丙烯单丝纤维长度越长，水泥砂浆的抗干缩开裂性越好；
Methods 56 patients with large area of maxillofacial soft tissue wounds caused by various reasons were cured with trefoil local flaps.
方法：对56例各种原因造成的颌面部较大面积的软组织缺损创面采用三叶形局部皮瓣进行修复。
Meanwhile, astigmatism aberration, coma aberration and trefoil aberration are three main effects that influence the quality of the optics.
对光学成像产生影响的主要成分是散光像差、彗差和三叶草像差。
The eight of clubs, for instance, represented a huge tree bearing eight enormous trefoil leaves, a sort of fantastic personification of the forest.
例如那张梅花八便是一株有八片大花瓣的大树，一种表现森林的怪诞手法。
Objective to explore the principle of intestinal trefoil factor (ITF) expression and its relationship with intestine damage and reparation in rats after severe burns.
目的探讨肠三叶因子(itf)在烧伤后的变化规律及其与肠道损伤和修复的关系。
In October 1519, for instance, Babur rode out to Istalif with friends: “Its lawns were one sheet of trefoil; its pomegranate trees yellowed to autumn splendour, their fruit full red.”
例如，1519年10月，巴布尔和朋友骑马去Istalif：“草坪是三叶草形的，石榴树镀上了秋天的金黄色，果实全红。”
In October 1519, for instance, Babur rode out to Istalif with friends: "Its lawns were one sheet of trefoil; its pomegranate trees yellowed to autumn splendour, their fruit full red."
例如，1519年10月，巴布尔和朋友骑马去Istalif：“草坪是三叶草形的，石榴树镀上了秋天的金黄色，果实全红。”
Conclusion as long as the flap donor site is in good condition, the application trefoil larger flap to repair maxillofacial soft tissue defects is a effective, safe and reliable method.
结论：只要供区条件良好，三叶形局部皮瓣修复颌面部较大面积软组织缺损是一种效果优良、安全可靠的方法。
Production processing of developing light thin high density fabric that is made of trefoil polyester fibre, cation modification dyeable polyester, fine polyester fibre and combed cotton was discussed.
探讨采用三叶涤纶纤维、阳离子改性可染涤纶纤维、细特涤纶纤维与精梳棉混纺纱开发轻薄型高密织物的生产工艺。
Production processing of developing light thin high density fabric that is made of trefoil polyester fibre, cation modification dyeable polyester, fine polyester fibre and combed cotton was discussed.
探讨采用三叶涤纶纤维、阳离子改性可染涤纶纤维、细特涤纶纤维与精梳棉混纺纱开发轻薄型高密织物的生产工艺。
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