空集 的英文怎麼說
中文拼音 [kōngjí]
空集
英文
[數學] null set; empty set-
The air force rendezvoused over southern england.
機群在英國南部上空集合。Air france - klm group
法國航空-荷蘭皇家航空集團Lastly, this thesis provides suggestions for reference purposes about market development and product design considering the reality of china air group and the market of chinese air transportation
第三層面結合目前中國航空市場及中國航空集團公司的實際情況,對市場發展以及產品設計策略等方面提出合理化建議,以供參考和借鑒。The green food " hickory nut series " won " silver medal prize " in national forestry new and fmous products fair in 1994 and " technology progress prize " of national industry enterprises in 1995. " donglin food " has been designed as air food by china eastern air group corp. and welcomed by other air companies
本公司所生產的山核桃系列綠色食品在1994年全國林業名特優新產品博覽會上榮獲銀獎, 1995年獲全國工業企業技術進步獎。東林山核桃系列產品,現已被中國東方航空集團指定為航空食品,並受全國各大航空公司所睛睞。The null subset corresponds to the term 1.
空集則對應于常數項1。Clear method empties the collection and resets its count
方法清空集合併將集合的Central vacuum dust collector for pub drill, router
鉆孔機、撈板機用真空集塵機Vacuum filtering, incinerator fluid - bed, sewage aeration, air cutter, petrochemical manufacturing, foundry industry, cement industry, textile industry, food industry
真空集塵、焚化爐流體化床、污水曝氣、空輸空氣刀、石化製程、鑄造業、水泥業、紡織業、食品業。Hainan aviation group includes : hainan airlines, changan airlines ( i believe it was the great wall airlines under caac ), xinhua airlines and shanxi airlines - not currently willis clients
海南航空集團下屬:海南航線,長安航線(我相信它曾是caac屬下的長城航線)新華線和山西/陜西線? ?目前不是威利斯的客戶。Us airways group inc. president and chief executive david n
昨天,美航空集團公司總裁兼總經理西蓋爾突然提出辭呈。Super catheter - heat pipe vacuum tube is metallic glass vacuum tube - a form, it is a highly efficient solar collectors components, it has a high operating temperature, pressure can be great, cold and heat shock - resistant, anti - hail, all - weather work, and other unique advantages, is the nausea drying type, plate - type, after all - glass vacuum tube solar collector ' s fourth - generation products
超導管? ?熱管真空管是金屬芯玻璃真空集熱管的一種形式,它是一種高效的太陽能集熱元件,它具有工作溫度高、承壓能力大、耐冷熱沖擊、抗冰雹、全天候工作等獨特的優點,是繼悶曬型、平板型、全玻璃真空管之後的第四代太陽能集熱產品。If a set contains no elements we shall designate it by Ф and define it as the empty or null set.
如果一個集合不包含元素,我們就把它記為,且定義它為空集或零集。Method to empty all tuples from the collection, and an
方法清空集合中所有元組,一個This is a default empty collection constructor
它是默認的空集合構造函數。Repeat step 3 until an empty set is returned
重復步驟3 ,直到返回空集。Class, this property returns an empty collection
類的默認實現中,此屬性返回一個空集合。Returns a collection of loading errors or a void collection
返回加載錯誤的集合或空集合。Property may return an empty collection
屬性可能會返回一個空集合。The null subset corresponds to the term 1
空集則對應于常數項1 。4. the inspection standard has been appraised. the air stagnation parameter and water stagnation parameter are enough to evaluate the quality of evacuated solar tube and the heat loss co - efficiency can be cancelled
用空曬性能參數和悶曬性能參數來評價太陽能真空集熱管的好壞即可,取消平均熱損系數指標,空曬性能參數反映高溫能力,悶曬性能參數反映正常工作時的升溫能力。分享友人