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1. Dictionary

   Lock

   /läk/

   

   noun

   • 1. a mechanism for keeping a door, lid, etc., fastened, typically operated only by a key of a particular form: "the key turned firmly in the lock"
   • ▪ a device used to prevent the operation or movement of a vehicle or other machine: "a bicycle lock"
   • ▪ a facility on a computer or mobile phone that requires a user to verify their identity with a passcode or other form of authentication in order to access the full functionality of the device: "there's a security lock on the phone and he doesn't know the code"
   • ▪ (in wrestling and martial arts) a hold that prevents an opponent from moving a limb.
   • ▪ a number of interlocked or jammed items: archaic "a street closed by a lock of carriages"
   • 2. a short confined section of a canal or other waterway in which the water level can be changed by the use of gates and sluices, used for raising and lowering vessels between two gates: "there was a lock every quarter of a mile"
   • 3. a person or thing that is certain to succeed; a certainty: informal North American "all of this makes him a lock to make the Hall of Fame"
   • 4. a mechanism for exploding the charge of a gun. historical

   verb

   • 1. fasten or secure (something) with a lock: "she closed and locked her desk" Similar boltfastenbarsecuremake securemake fastsealpadlocklatchchainOpposite unlockopen
   • ▪ (of a door, window, box, etc.) become or be able to be secured through activation of a lock: "the door will automatically lock behind you"
   • ▪ enclose or shut in by locking or fastening a door, lid, etc.: "he is treated like an unpaid servant and locked in his room"
   • 2. restrict access to the full functionality or data of (a computer, mobile phone, file, etc.), especially by requiring a user to verify their identity with a passcode or other form of authentication: "my computer is locked and I've forgotten my login info"
   • ▪ (of a mobile phone) operate only on the network of a particular carrier: "the phone is locked to T-mobile"
   • 3. make or become rigidly fixed or immovable: "he locked his hands behind her neck" Similar joininterlockmeshengagelinkuniteconnectcombineyokematecouplebecome stuckstickjambecome/make immovablebecome/make rigidOpposite separatedivide
   • 4. go through a lock on a canal: "we locked through at Moore Haven"

   Word Origin Old Englishloc, of Germanic origin; related to German Loch ‘hole’.

   Derivatives

   • 1. lockable adjective
   • 2. lockless adjective

   Scrabble Points: 10

   • L

     1

   • O

     1

   • C

     3

   • K

     5

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2. en.wikipedia.org › wiki › DreadlocksDreadlocks - Wikipedia

   en.wikipedia.org › wiki › Dreadlocks

   • Cached

   1 day ago · Dreadlocks. Cree chief Pitikwahanapiwiyin with locked hair, 1885. Dreadlocks, also known as dreads or locs, are a hairstyle made of rope-like strands of hair. This is done by not combing the hair and allowing the hair to mat naturally or by twisting it manually. Over time the hair will form tight braids or ringlets.

3. en.wikipedia.org › wiki › Quaternions_and_spatialQuaternions and spatial rotation - Wikipedia

   en.wikipedia.org › wiki › Quaternions_and_spatial

   • Cached

   5 hours ago · A spatial rotation around a fixed point of radians about a unit axis that denotes the Euler axis is given by the quaternion , where and . Compared to rotation matrices, quaternions are more compact, efficient, and numerically stable. Compared to Euler angles, they are simpler to compose.

4. en.wikipedia.org › wiki › Mercury_(planet)Mercury (planet) - Wikipedia

   en.wikipedia.org › wiki › Mercury_(planet)

   • Cached

   1 day ago · Mercury is the first planet from the Sun and the smallest in the Solar System. In English, it is named after the ancient Roman god Mercurius ( Mercury ), god of commerce and communication, and the messenger of the gods. Mercury is classified as a terrestrial planet, with roughly the same surface gravity as Mars.

5. en.wikipedia.org › wiki › Glossary_of_video_game_termsGlossary of video game terms - Wikipedia

   en.wikipedia.org › wiki › Glossary_of_video_game_terms

   • Cached

   1 day ago · 1CC. Abbreviation of one-credit completion or one-coin clear. To complete an arcade (or arcade-style) game without using continues. [1] 1-up. An object that gives the player an extra life (or attempt) in games where the player has a limited number of chances to complete a game or level. [2] 100%.

6. deavita.com › style › haare-frisurenGraue Haare mit Locken: Diese Trendfrisuren tragen jüngere ...

   deavita.com › style › haare-frisuren

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   1 day ago · Graue Haare mit Locken: Diese Trendfrisuren tragen jüngere und ältere Damen im Sommer 2024! Lockenfrisuren werden bleiben, unabhängig davon, welche Modetrends kommen und gehen. Eine natürlich gelockte und graue Mähne ist sicherlich schwierig zu pflegen und erfordert viel Ausdauer. Aber es ist gut investiertes Geld.

7. blog.csdn.net › ddddd_y › articlec++笔记记录4-CSDN博客

   blog.csdn.net › ddddd_y › article

   • Cached

   1 day ago · 1、线程间的互斥：竞态条件=》临界区代码段=》互斥锁mutex 轻量级的无所实现CAS. strace ./a.out mutex=>pthread_mutex_t. 2、线程间的同步通信. 生产者，消费者线程模型，不仅可以使用在简单的临界区代码段的互斥操作中，而且还能用在函数调用的过程中. unique_lock<std ...