What is a Singular Knot? A singular knot is an immersed circle in $\\\mathbb R^{3}$ with finitely many transverse double points. The study of singular knots was initially motivated by the study of Vassiliev invariants. Namely, singular knots give rise to a decr... Z Dancso 被引量: ...
knot is used to accent or embellish embroidered elements, such as dotting a letter of the alphabet, or to add an eye to an embroidered figure. Sometimes, the French knot is duplicated in a series to create a decorative edging or in lines to form the outline of an object, such as a ...
A knot is one nautical mile per hour (1 knot =1.15 miles per hour). The term knot dates from the 17th century when sailors measured the speed of their ship by using a device called a “common log.” This device was a coil of rope with uniformly spaced knots, attached to a piece of...
句子1. Who can make a Chinese knot? 谁能制作一个中国结?2. — What is it? 它是什么?- This is a Chinese knot. 这是一个中国结。3. - How many ropes?有多少根绳子?— Only one rope! 仅仅一根绳子!4. That's amazing! 那很令人惊讶!5. How do you make it?你怎样制作的呢?6.- Let ...
What are the symptoms of a muscle knot? The main symptom of a muscle knot is pain. The pain is often described as a deep ache or cramp. It may be worse when you move the muscle, touch it, or apply pressure. Muscle knots can also cause: ...
What is a Celtic knot?Celtic Knot:The Celtic knots have so much variety and each thread of knot represents its own different meaning. These knots represent the Celtic tradition, culture and civilization and are used for decorations. The number of knots are woven in such manner that they seem...
询问能看到多少只鸟,翻译为“你能看到多少只鸟?”。 2. “Who can make a Chinese knot?” 询问谁会做中国结,翻译为“谁能做中国结?”。 3. “What is it?” 询问这是什么,翻译为“它是什么?”。 4. “This is a Chinese knot.” 陈述这是一个中国结,翻译为“这是一个中国结”。
There are various types of surgeon’s knot that are suited for different purposes. The concept of a surgical knot is often applied to fishing, in which lines are tied together. A double overhand knot is often used to hold together lines that are different sizes. Typically, a slight angle ...
What is it?哇!它是什么?This is a Chinese knot.这是一个中国结。It's beautiful!(它)真美丽!Guess! How many ropes?猜猜看!(它)有多少条绳子?Six?六条?Twelve?十二条?H a ha, no.哈哈,不对。Look! Only one rope!看! 只有一条绳子!那真令人惊讶!你是如何制That's amazing! How do you ...
Basic problems on knot theory are also explained there. In 1.3, a brief history on knot theory is stated. In 1.4, we explain how the first non-trivial knot is confirmed. In 1.5, the linking number useful to confirm a non-trivial link and the linking degree which is the absolute value ...