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The Froude number is based on the speed–length ratio which he defined as: [2] [3] = where u is the local flow velocity (in m/s), g is the local gravity field (in m/s 2), and L is a characteristic length (in m). The Froude number has some analogy with the Mach number.
Originally, many thước of varying lengths were in use in Vietnam, each used for different purposes. According to Hoàng Phê (1988), [1] the traditional system of units had at least two thước of different lengths before 1890, [2] the thước ta (lit. "our ruler") or thước mộc ("wooden ruler"), equal to 0.425 metres (1 ft 4.7 in), and the thước đo vải ("ruler for measuring ...
The leaves smell spicy but have a medicinal taste. [1] The food is often served or sold at barbecues, and is the 5th out of 7 courses in the multi-course meal Bò 7 món . [ 2 ] There is a northern version called chả lá lốt using pork instead of beef and often pan-fried instead of grilled.
Vietnamese uses 22 letters of the ISO basic Latin alphabet.The 4 remaining letters aren't considered part of the Vietnamese alphabet although they are used to write loanwords, languages of other ethnic groups in the country based on Vietnamese phonetics to differentiate the meanings or even Vietnamese dialects, for example: dz or z for southerner pronunciation of v in standard Vietnamese.
[7] [1] Not every word in another language that has the initial consonant /p/ have the corresponding Vietnamese loanword with the initial consonant /p/. In some words, the sound /p/ is replaced by the sound /ɓ/. For example, both syllables of the word búp bê (derived from the French word poupée /pu.pe/) have the initial consonant /ɓ/, not ...
The Vietnamese Wikipedia initially went online in November 2002, with a front page and an article about the Internet Society.The project received little attention and did not begin to receive significant contributions until it was "restarted" in October 2003 [3] and the newer, Unicode-capable MediaWiki software was installed soon after.
There are 54 ethnic groups in Vietnam as officially recognized by the Vietnamese government. [1] Each ethnicity has their own unique language, traditions, and culture. The largest ethnic groups are: Kinh 85.32%, Tay 1.92%, Thái 1.89%, Mường 1.51%, Hmong 1.45%, Khmer 1.32%, Nùng 1.13%, Dao 0.93%, Hoa 0.78%, with all others accounting for the remaining 3.7% (2019 census). [2]
By the end of the 1970s, artists Đinh Thìn and Ngo Nam modernized the sáo by making this 6-finger-hole flute into 10-finger-hole flute, extending its register. [1] Examples of the difference between the two variations of the flute can be heard in Đinh Thìn's "Tiếng gọi mùa xuân" and Mão Mèo's performance of "tình xưa nghĩa cũ".