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The Trịnh–Nguyễn Civil War (Vietnamese: Trịnh-Nguyễn phân tranh; chữ Hán: 鄭阮紛爭, lit.Trịnh–Nguyễn contention) was a 17th and 18th-century lengthy civil war waged between the two ruling families in Vietnam, the Trịnh lords of Đàng Ngoài and the Nguyễn lords of Đàng Trong, centered in today's Central Vietnam. [1]
The operating principle of a parabolic antenna is that a point source of radio waves at the focal point in front of a paraboloidal reflector of conductive material will be reflected into a collimated plane wave beam along the axis of the reflector.
These methods involved closely integrated political and military strategy – what was called dau tranh – literally "to struggle". The NLF, also known as the Viet Cong (VC), was an umbrella of front groups, set up by North Vietnam (Democratic Republic of Vietnam (DRV) to conduct the insurgency in South Vietnam.
An Lộc is the capital of Bình Long Province located northwest of Military Region III.During North Vietnam's Easter Offensive (known in Vietnam as the Nguyen Hue Offensive) of 1972, An Lộc was at the centre of the PAVN strategy, its location on Route QL-13 near Base Area 708 in Cambodia allowed safeguarding supplies based out of a "neutral" location in order to reduce exposure to U.S. bombing.
Part of a parabola (blue), with various features (other colours). The complete parabola has no endpoints. In this orientation, it extends infinitely to the left, right, and upward.
Thánh Gióng (chữ Nôm: 聖揀), [1] also known as Phù Đổng Thiên Vương (chữ Hán: 扶董天王, Heavenly Prince of Phù Đổng), Sóc Thiên Vương (chữ Hán: 朔天王), Ông Gióng (翁揀, sir Gióng) [2] [3] and Xung Thiên Thần Vương (冲天神王, Divine Prince of Heaven) is a mythical folk hero of Vietnam's history ...
Fermat's spiral: a>0, one branch = + Fermat's spiral, both branches. A Fermat's spiral or parabolic spiral is a plane curve with the property that the area between any two consecutive full turns around the spiral is invariant.
Doi Phi Pan Nam, Thai: ดอยผีปันน้ำ, is a 1,745 m high mountain of the Luang Prabang Range (ทิวเขาหลวงพระบาง) in Southeast Asia. [2] It is at the east end of the Thai highlands, on the Laos-Thailand border. The Wa River has its source beneath this mountain. [3]