What we understand is that if a single schema is instantiated, it will only be instantiated once. To implement a single schema, we simply use a variable to identify whether the class is instantiated. If it is not instantiated, then we can instantiate it once. Otherwise, we will directly return the instantiated object.
本剧讲述了从上流家庭逃出来的奇怪少女徐春和优等生韩仁尚因未婚先孕，使得平凡人家的女孩嫁入豪门后引发出的的一系列矛盾与混乱的故事。
Set in London, SPOTLESS is the story of a troubled crime scene cleaner, Jean, whose tidy life is turned upside down when his outlaw brother Martin crash lands into his world, entangling them in the deadly dynamics of organized crime.
今人学武，只表演不杀敌。
徐文长浑身一个寒颤，你又来这个。
朴秀荣饰演恩泰熙，她是一个被爱情耍得团团转，认定自己是世界上最可怜的人的20岁“铁壁女”，但和权施贤相遇后，她再次意识到自己一直期待着爱情。
The save rule command is as follows, which means that the iptables rule is saved to the/etc/sysconfig/iptables file. If the corresponding operation is not saved, then after the iptables service is restarted
杨长帆接着说道：只有一个条件，凡是贩回东海的货品，皆要来澎湖抽成，是十抽一还是十抽二，如何抽法，咱们后面再定。
"Are you a... magician?" The cool breeze in the middle of the night blew the gusts of wine on his head, and he seemed to be covered with a layer of gauze. He could not see anything clearly, but this was even more sober.
(1) A ship attempting to overtake another ship shall, in accordance with the provisions of Article 9, paragraph 5 (a), express its intention by whistling the following:
When I first encountered this kind of "dog", The company commander glanced at it and said nothing, Immediately ordered us to fire, Shooting from high terrain has its advantages, We shot exactly from almost 100 meters away, After aiming at it, Hit to a distance of 30 meters but did not kill a few such 'dogs', At last I saw that these things were about to rush up, There was a sudden explosion in front of the position, The explosion was a temporary obstruction to them, We didn't remember until the bombing was over. Fortunately, some Type 66 directional anti-infantry mines were deployed 30 meters in front of the positions before. As well as some Type 72 anti-infantry mines, Although those "dogs" run fast, But because of his short body, So they are all 'sticking to the land', Triggered the guide line of the mine, Then it led to an explosion. Anti-infantry mines have almost no dead corners within the effective attack range, especially the "round head" type (72-type anti-infantry mines, which contain 650 anti-personnel steel balls and have no dead corners covered 360 degrees after the explosion). Many close 'dogs' were directly blown to pieces, while those far away were also beaten into 'pockmarks' by steel balls and died lying there.
She is willing to face the war and chaos of life bravely with you and tidy up chicken feathers.
This is original method!
The two main attacks of model theft are:
我还有一天的命吗？没有。
6.1 Basic Syntax
由此同时，后方特派员刘燕肩负使命路经白洋淀被伏击。刘燕不知下落，鬼子派了石磊冒充特派员混入区队。鬼子的计谋被嘎子无意中
有陈平先生和高易在，想来不会有事，大王放心好了。
天眼神虎来自天眼星球上，具有神力，听说地球人没有魔力，想来地球显摆，象天眼一样，当一回地球上的超级明星。机会终于来临，死皮赖脸跟随天眼来到地球，虽然不曾认为冰淇淋好吃，却意外吃到香凌的牛皮糖，耍赖不回天眼星球了，坚决要当香凌家的客人，还答应当着香凌爸爸妈妈的面假装毛绒玩具。天眼对单独留在地还球上的天眼神虎很不放心，总担心他滥用自己的魔力给香凌他们造成麻烦。香凌心一软，答应把天眼神虎留在自己家。甜 筒有事必须回天眼星球去，只好把顽皮的天眼神虎托付给了香凌。天眼临走前秘密给天眼神虎留下了呼唤自己的方法：《天眼之歌》和跳舞，天眼便会及时赶回地球来。天眼神虎觉得自己是老大了，开始用魔力大显身手。但他虽有助人之心，魔力却有限，考虑问题又丢三拉四，结果魔力很快成为捣乱罪魁，闹得鸡犬不宁，香凌爸妈没意识到家里新出现了外星人天虎，还以为天虎只是香凌的毛绒玩具……
玩命警察对抗疯狂匪徒。有牵扯不清的复杂关系。
