optional field 中文意思是什麼

optional field 解釋
選項欄
  • optional : adj 可自由選擇的;隨意的,任意的;非強制的 (opp compulsory)。n 〈美國〉選修科。 It is optional ...
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  1. Make all field connections to the remote alarm functions and any other optional features. do not connect ac power

    進行所有遠程警報功能和任何其它選擇功能的現場連接。不要連接交流電源。
  2. Pull all wires necessary for field connections, remote alarm functions, ac power and all other optional features

    拉出所有用於現場連接、遠程警報功能、交流電源和所有其它選擇功能所必需連接的電纜。
  3. Field marked as optional

    欄位標記為可選。
  4. In the light of field features in desertification areas, the data quality and band combination of different bands are assessed, the indicators, principles and methods for data assessment and band option are put forward to, and optional band combination for desertification monitoring is determined primarily. the data pre - treatment model for desertification monitoring is developed after studying the pre - treatment algorithm of restoration and rebuilding of hyperspectral resolution data. the spectral features and variation rules of different objects in experimental areas are understood and analyzed

    針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行定性和定量的評價,提出用於數據評價、波段選擇的指標、原則和方法;初步確定一個適用於荒漠化監測的優化波段組合,建立適合於荒漠化監測的數據預處理模式;初步分析、掌握研究區內各類地物的光譜特性及變異規律;針對荒漠化地區特點對多種分類方法進行探討分析;建立荒漠化監測主要評價因子的定量反演模型。
  5. You are not required to add a field to the series group ; it is optional when designing a chart

    不要求向系列組添加欄位;它在設計圖表時是可選的。
  6. As a result, most networks use a single key for 802. 11, even though an optional key identifier field specifying the index in the array of the key is present in a message

    所以,即使在密鑰數組中指定索引的可選密鑰標識欄位出現在消息中,大多數網路還是將單個密鑰用於802 . 11 。
  7. The tsaware option sets a flag in the image optional header dllcharacteristics field in the program image s optional header

    / tsaware選項在程序圖像的可選標題中的image _ optional _ header dllcharacteristics欄位中設置標志。
  8. Entrance ceremony sports day to welcome new students eju optional field trip

    入學典禮1年半課程開始迎新生運動會
  9. It s the list of field names, types, and optional additional information like the size, nullable, etc. that adds some complexity

    它是欄位名稱、類型和可選附加信息(如大小、 nullable )的列表,這些可選附加信息會使名稱變得比較復雜。
  10. For each new field you need a tedit to hold the fieldname, a drop - down combobox to hold the field type, another tedit for some optional additional information, and finally a tcheckbox to specify if the field can be null or not

    對于每個新欄位,都需要tedit來存放文件名,還需要下拉式combobox來存放欄位類型,另一個tedit是用於一些可選附加信息的,最後,要使用tcheckbox來指定該欄位可否為null 。
  11. You made this element optional for backward compatibility, but you ll notice that the optionality of this field is a good idea anyway, because not all addresses have apartment numbers

    您可以使這個元素為向後兼容的可選項,您會發現這個欄位的這個可選性是一個很不錯的主意,因為並不是所有的地址都有房間號碼。
  12. Leave the optional ip address field blank, but enter 443 in the port field

    保留ip地址域為空(可選的) ,但在port欄位中輸入443 。
  13. In the field definitions could be optional

    修飾符是可選的。
  14. Field to determine whether to write the optional attribute

    欄位的值,以確定是否寫入可選的屬性。
  15. Optional while following the steps, type comments in the comments field

    (可選)按步驟執行操作的同時,在「注釋」欄位中鍵入注釋。
  16. Slopping - lifed probes plate design is optional for easy maintnance and re - wiring on field

    針板可做為掀起式,以方便維修和配線修改。
  17. We plan to arrange two optional field trips as part of the conference program in the 4th dfhm conference : one will be a 4 - day pre - conference field trip to jiuzhaigou valley one of the world natural heritage sites, where visitors can see some counter - debris - flow structures built behind the natural beauty of the valley, and the other a 3 - day post - conference field trip to the dongchuan debris flow observation and research station in jiangjiagou valley known worldwide as a natural laboratory of debris - flow experiments, where visitors can observe all the stages of debris - flow behavior from initiation to termination if a debris flow occurs during the field trip

    世界自然遺產地九寨溝的泥石流防治工程作為四天行程的會前考察,在這里泥石流防治工程與自然景觀巧妙溶合,渾然一體。三天行程的會后考察雲南省蔣家溝的東川泥石流觀測與研究站。對泥石流的觀測與研究已有40多年歷史的東川站,被世界各國的泥石流研究學者譽為「泥石流博物館」 。
  18. When i was a sophomore, i was very interested in international business administration. i have read through many books in this field and made up my mind to take it as my major to challenge myself when i become a postgraduate. i have also taken related optional courses in business administration. my understanding of business administration grows with my learning and i am fully aware of my desire in getting into this field

    上大二時,我就對國際管理學特別感興趣,也讀了許多這方面的書籍,並下定決心在將來攻讀研究生時,選擇富有挑戰性的管理學.大學期間除了學習專業課外,也選學了管理學方面的課程.在學習過程中加深了對管理學的認識和理解,也使自己更加明確了學習的願望
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