b (2) rcc
ๅฏไปฅๅฐa๏ผbไธ๏ผa๏ผb๏ผ²็่งฃไธบๅไธ็งไธ่ฅฟ a๏ผb๏ผa๏ผb๏ผab๏ผa²๏ผb²๏ผa²๏ผb²ไน้ดๆไธๅฎๅ ณ็ณป๏ผๅฏไปฅๅฉ็จ ๅฎๅ จๅนณๆนๅ ฌๅผ ็ฅไบๆจไธ๏ผๅณ็ฅ้ไธคไธช็ๅผๅฏไปฅ็ฎๅบๅ ถไปไธไธช็ใ ๆญคๅค๏ผไปไปฌไน้ด่ฟๆ … ๅๅผไธ็ญๅผไธญ็ (a๏ผb)/2 ≤ ๆ นๅท [ (a²๏ผb²)/2] ๆฏๆๆ ทๆจๅบๆฅ็๏ผ [ๅ ฌๅผ] ๏ผ [ๅ ฌๅผ] ๏ผ [ๅ ฌๅผ] ใ ๆพ็คบๅ จ้จ ๅ ณๆณจ่ 2 19 févr. 2025 · number1 ๏ผๅฟ ้ๅๆฐ๏ผ่ฆ็ธๅ ็็ฌฌไธไธชๆฐๅญใ ๅฏไปฅๆฏๅ ทไฝๆฐๅญ๏ผไนๅฏไปฅๆฏๅๅ ๆ ผๅผ็จๆ่ ๅๅ ๆ ผๅบๅใ ็็ฉไฟๅฅ็ปด็็ด b ๆฏ Bๆ็ปด็็ด ็ๆป็งฐ๏ผๅ ถไธญๅ ๆฌไบ็ปด็็ด b1ใ็ปด็็ด b2ใ็ปด็็ด b3ใ็ปด็็ด b5ใ็ปด็็ด b6ใ็ปด็็ด b7ใ็ปด็็ด b9 (ๅถ้ ธ)ใ ็ปด็็ด b12 ็ญใ่่ช็ถ็ไธญ็ปด็็ด b็้ฃ็ฉๆฅๆบ่พ … ๏ผๆไผๆดๆฐไธๆฅ~ ๅฝ็ถๅช็ๅพ็ไธ็ปไน ๆไนไนๅญฆไธไผ VLOOKUP ็๏ผๅ ณไบ่ฟ 16 ็ง็จๆณ๏ผๆไนๆด็ไบไธไปฝ็ปไน ๆไปถ๏ผๅไบซ็ปๅคงๅฎถ๏ผๅธๆๅฏนๅคงๅฎถๆๅธฎๅฉๅ๏ผ→่ฟ้๏ผ VLOOKUP็่ฟ16็ง็จๆณ๏ผๅผบ … ๆๆๆๆฐๆฎ๏ผvlookupๅดๅน้ ไธๅบๆฅ๏ผๅจๅทฅไฝไธญๆฏๆฏ่พๅธธ่ง็ใ ๅผ็จๅบๅๅ็ๅๅ ็ฌฌไธ็งๅธธ่ง้่ฏฏๆฏๅน้ ๅบๅๆช็ปๅฏนๅผ็จใๅ็ๅๅๆ่ดใ ไธๅพไธญๅน้ ๅนด้พๅญๆฎต๏ผๅจE2ๅๅ ๆ ผๅ ่พๅ ฅๅ ฌๅผ … 1960s-2000s CEFR ๅ ญใCEFR ๆไปไนๆไน CEFR้ๅไบ“ CAN DO STATEMENTS๏ผ่ฝๅไปไน๏ผ ”็ๆ่ฟฐๆนๆณ๏ผๆณจ้ ่ฏญ่จ็ๅฎ้ ๅบ็จ่ฝๅใๅ ๆญค็ฌ็ซไบไปปไฝๅฝขๅผ็่ฏญ่จๆต่ฏ๏ผๅฎๆฏไธ็ณปๅไธบไธ … ๆณจๆๅฐไธๅผไธญ็ \dfrac { (n_a-1)s_a^2+ (n_b-1)s_b^2} {n_a+n_b-2} ้จๅๅฐฑๆฏๆ่ฐ็ ่ๅๆนๅทฎ๏ผ 6. ๆนๅทฎไธ้ฝๆถๆไนๅ๏ผ ๅฏ่ง๏ผ ็ฌ็ซๆ ทๆฌtๆฃ้ช่ฆๆฑๆนๅทฎ้ฝๆง๏ผๅนถไธๆฏๅบไบๅฏๆฏๆง๏ผ่ๆฏ่ฅๆนๅทฎไธ … ๆ นๆฎGB/T 3101-93๏ผ“ๆ ่ฎบๆญฃๆ็ๅ ถๅฎๅญไฝๅฆไฝ๏ผ้็็ฌฆๅท้ฝๅฟ ้กป็จๆไฝๅฐๅทใ”ไธ่ฌ็่ฎบๆๅไฝไธญไนๆฏ่ฟไน่ฆ… ๅ ไธบA→B๏ผๆๆๅฐฑๆฏ ็ฌฆๅA็ๆ ๅตไธ๏ผBๆฏ็็ใ ็็พๅฝ้ข ๅฐฑๆฏ Aไธ๏ผ
B๏ผ๏ผๆๆๅฐฑๆฏ็ฌฆๅAไฝ็กฎๅฎ B๏ผBไธบๅ๏ผใ ๆไปฅ๏ผไธไธชๅฝ้ข็็ญไปทๅฝ้ข๏ผ็ญไบๅฎ็็็พๅฝ้ข็่ดๅฝ้ข๏ผA→B= ๏ผAไธ … The B-2 can perform attack missions at altitudes of up to 50,000 feet (15,000 m); it has an unrefueled range of more than 6,000 nautical miles (11,000 km; 6,900 mi) and can fly more than 10,000 nautical miles (19,000 km; 12,000 mi) with one midair refueling. The B-2 Spirit is a multi-role bomber capable of delivering both conventional and nuclear munitions. A dramatic leap forward in technology, the bomber represents a major milestone in the U.S. bomber modernization program. Built by Northrop Grumman, the U.S. Air Force's B-2 stealth bomber is a key component of the nation's long-range strike arsenal, and one of the most survivable aircraft in the world. Jun 24, 2025 · B-2, U.S. long-range stealth bomber that first flew in 1989 and was delivered to the U.S. Air Force starting in 1993. Built and maintained by Northrop Grumman Corporation, the B-2 is a “flying wing,” a configuration consisting essentially of a short but very broad wing with no fuselage and tail. Apr 7, 2025 · What is the B-2 Spirit Stealth Bomber? The B-2 Spirit stealth bomber, officially known as the Northrop Grumman B-2 Spirit, is an advanced, strategic long-range heavy bomber designed primarily for deep-penetration strike missions. The B-2 Spirit is a multi-role bomber capable of delivering both conventional and nuclear munitions. Apr 24, 2020 · The B-2 stealth bomber has the capacity to carry up to 40,000lb of weapons, including conventional and nuclear weapons, precision-guided munitions, gravity bombs and a range of maritime weapons. The B-2 is a stealthy, long-range, penetrating nuclear and conventional strike bomber. It is based on a flying wing design combining low observability (LO) with high aerodynamic efficiency. The aircraft’s blended fuselage/wing holds two weapons bays capable of carrying nearly The Northrop Grumman B-2 Spirit
is a long-range, stealth strategic bomber capable of penetrating sophisticated air defenses to deliver nuclear or conventional payloads. Jun 22, 2025 · The U.S. launched a rare B-2 stealth bomber strike Saturday night, targeting an Iranian nuclear site.
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