only if: conj.只有当(只是在...的时候) Examples: 1.The company will succeed only if it have sufficient backing. 只有当该公司获得足够的资助,它才会成功. 2.A compound proposition that has components joined by the word and or its symbol and is true only if both or all the components are ...
Examples:1. The company will succeed only if it have sufficient backing. 只有当该公司获得足够的资助,它才会成功。2. A compound proposition that has components joined by the word and or its symbol and is true only if both or all the components are true. 综合命题由和或其符号所连接的子句组成...
Examples:1. The company will succeed only if it have sufficient backing. 只有当该公司获得足够的资助,它才会成功。2. A compound proposition that has components joined by the word and or its symbol and is true only if both or all the components are true. 综合命题由和或其符号所连接的子句组成...
The missiles can be firedonly ifthe operator types in a six-digit code.We’ll face that problemif and whenit comes along(=if it happens or when it happens).If by any chanceyou can’t manage dinner tonight, perhaps we can at least have a drink together....
Examples: 1.I told him he would succeed only if he tried hard.我告诉他,只有努力才能成功。 2.Only if the case is urgent should you call out the doctor in the middle of the night.只有患者情况紧急时,你才可以在半夜叫医生看病。 3. Only if I get a job will I have enough money to go...
if only＋从句主语＋would/could have/had＋过去分词 eg：If only you had come to my birthday party. 你要是来了我的生日晚会就好了。If only: 常常用来表示强烈的愿望，因为用于虚拟语句时和wish类似，表达强烈的遗憾或与真实条件不符的愿望。因而使用起来的形式与wish相同。
only if: conj. 只有当(只是在...的时候) (此为强调句的一种,如果把only if 从句放在句首,主句用倒装) Examples: 1. The company will succeed only if it have sufficient backing. 只有当该公司获得足够的资助,它才会成功。 2. A compound proposition that has components joined by the word and or ...
Examples To display the message Cannot find data file if the file Product.dat cannot be found, type: Copy if not exist product.dat echo Cannot find data file To format a disk in drive A and display an error message if an error occurs during the formatting process, type the following ...
aLived where?in a ___in north London(only two bedrooms) 居住在哪里?在___in北部伦敦(仅二间卧室)[translate] aEquilibrium A3 exists if and only if a1a2≠1. Considering x, 平衡A3存在,如果和,只有当a1a2≠1。 考虑x,[translate]
Since thisconstructionis somewhat awkward, especially when P and Q are their own logical statements, we simplify the statement of a biconditional by using the phrase "if and only if." Rather than say "if P then Q, and if Q then P" we instead say "P if and only if Q." This constru...