missiles. The first of the Dongfeng missiles, the DF-1 (SS-2, codenamed '1059', initially 'DF-1' , later the DF-3), was a licensed copy of the Soviet R-2 (SS-2...

The DF-3A (NATO: CSS-2) is a Chinese liquid-fueled, single-stage, nuclear medium-range ballistic missile that entered service in 1971. In 1988 China sold...

The DF-ZF is a hypersonic glide vehicle (HGV) developed by the People's Republic of China. It is launched by the DF-17 medium-range ballistic missile...

The Dong-Feng 21 (DF-21; NATO reporting name CSS-5 - Dong-Feng (simplified Chinese: 东风; traditional Chinese: 東風; lit. 'East Wind') is a two-stage, solid-fuel...

N2O4 oxidiser. By 2012, the DF-5 was planned to be replaced by the solid-fuelled DF-41. Around 2015, the newest variant DF-5B force are believed to have...

df (abbreviation for disk free) is a standard Unix command used to display the amount of available disk space for file systems on which the invoking user...

The Dong Feng-26 or DF-26 (simplified Chinese: 东风-26; traditional Chinese: 東風-26; lit. 'East Wind-26'; NATO reporting name: CH-SS-18) is an intermediate-range...

(Chinese: 东风-4; pinyin: Dōng Fēng Sì; lit. 'East Wind 4') or DF-4 (also known as the CSS-3) is a first-generation two-stage Chinese intercontinental ballistic...

and final stage of the competition, following the group stage. Played from 3 to 18 December, the knockout stage ended with the final, held at Lusail Stadium...

The Dongfeng-41 or DF-41 (simplified Chinese: 东风-41; traditional Chinese: 東風-41; lit. 'East Wind-41'; NATO reporting name: CH-SS-20) is a fourth-generation...

Intelligence Center Public Affairs Office: p.27 "Hong Niao Series (HN-1/-2/-3)". Easton: p.3 "DF-10 / CJ-10 / DH-10 surface-to-surface cruise missile". Army Recognition...

X Y Z A 2 6 12 B 20 30 42 > new_df$Z # Output the Z column [1] 12 42 > new_df$Z == new_df['Z'] && new_df[3] == new_df$Z # The data.frame column Z can...

(PLARF). In 2009, the Chinese inventory was estimated as under 15 DF-31 missiles and under 15 DF-31A missiles. US Air Force National Air and Space Intelligence...

itself: 21°2′19.3″N 42°55′36.8″E. At the 21°1.42′N 44°53.47′E / 21.02367°N 44.89117°E / 21.02367; 44.89117 one can clearly see 87 old DF-3 Chinese missiles...

15 (a.k.a. DF-15, M-9, CSS-6) is a short-range ballistic missile developed by the People's Republic of China. The DF-15 and the newer DF-16 are thought...

shoot-out after it ended 2–2 in extra time and Croatia in the semi-final 3–0. France finished first in Group D with two wins and one loss (4–1 win over...

version of the FJ-3, with the ability to carry AIM-9 Sidewinder air-to-air missiles; 194 FJ-3 converted to this standard. FJ-3D (after 1962 DF-1C) conversions...

d f 2 d f 2 d f 3 ⋯ d f n d x . {\displaystyle {\frac {df_{1}}{dx}}={\frac {df_{1}}{df_{2}}}{\frac {df_{2}}{df_{3}}}\cdots {\frac {df_{n}}{dx}}.} The...

) Th. 1. P ( φ ) ⇒ ◊ ∃ x φ ( x ) Df. 1. G ( x ) ⇔ ∀ φ ( P ( φ ) ⇒ φ ( x ) ) Ax. 3. P ( G ) Th. 2. ◊ ∃ x G ( x ) Df. 2. φ  ess  x ⇔ φ ( x ) ∧ ∀ ψ ( ψ...

showcased in Airshow China 2022.  China People's Liberation Army Navy YJ-18 YJ-12 DF-21D Kh-47M2 Kinzhal Chan, Minnie (20 April 2022). "Chinese navy shows off...

'long sword 100'; NATO reporting name: CH-SSC-13 Splinter), also known as DF-100 (Chinese: 东风-100; pinyin: Dōngfēng 100; lit. 'east wind 100'), is a Chinese...

Group 3 of the 1970 FIFA World Cup was contested in Guadalajara's Estadio Jalisco between 2 and 11 June 1970. Brazil won the group, and advanced to the...

The Nikon Df is a full-frame F-mount DSLR FX format camera announced by Nikon on November 5, 2013. It uses dedicated mechanical controls similar to those...

2 + C n ⋅ Δ 3 ⋅ d f 3 + ⋯ + ( 1 + C n ⋅ Δ n ) ⋅ d f n {\displaystyle 1=C_{n}\cdot \Delta _{1}\cdot df_{1}+C_{n}\cdot \Delta _{2}\cdot df_{2}+C_{n}\cdot...

batteries FK-3  Thailand Air and Coastal Defense Command - 3 batteries FK-3  Myanmar Myanmar Army - unknown number of FK-3s in service Kajal, Kapil (3 February...

(SS-2) (DF-1) Dongfeng 2 (CSS-1) (DF-2) Dongfeng 3 (CSS-2) (DF-3) Dongfeng 4 (CSS-3) (DF-4) Dongfeng 5 (CSS-4) (DF-5) Dongfeng 11 (CSS-7) (DF-11) Dongfeng...

The New Zealand DF class locomotive of 1979 is a class of 30 Co-Co diesel-electric locomotives built by General Motors Diesel of Canada between 1979 and...

The DF-224 is a space-qualified computer used in space missions from the 1980s. It was built by Rockwell Autonetics. As with many spacecraft computers...

The DF Helicopters DF334 is a two-seat, single-engine light utility helicopter in development by Dragon Fly Helicopters in Northern Italy. The DF 334...

DF-21 with elements of the SC-19 also incorporated. The interceptor is hit-to-kill. It can also be used as an anti-satellite weapon. The Dong Neng-3 is...