缺項級數 的英文怎麼說
中文拼音 [quēxiàngjíshǔ]
缺項級數
英文
lacunary series- 缺 : Ⅰ動詞1 （缺乏; 短少） be short of; lack 2 （殘缺） be missing; be incomplete 3 （該到而未到） be ...
- 項 : Ⅰ名詞1 （頸的後部） nape （of the neck） 2 （款項） sum （of money） 3 [數學] （不用加、減號連接...
- 級 : Ⅰ名詞1 （等級） level; rank; grade 2 （年級） any of the yearly divisions of a school course; gra...
- 數 : 數副詞（屢次） frequently; repeatedly
- 級數 : [數學] progression; series; number of stages; number of steps; stage number級數變換 transformatio...
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On the zero and hype - order of solutions of certain non - homogeneous differential equations with entire coefficients
關于某類缺項級數系數非齊次線性微分方程解的增長性This paper carries out a quantificational analysis upon the corpora of the english learners from primary schools to universities, especially middle schools, and makes comparisons in longitude and latitude. we find out from the comparisons that the language items puzzling the students most are : omission / addition of " ~ s " after third person singular verbs, omission / addition of " be ", error of tenses, error of articles, error of preposition collocations, agreement of subjects and verbs, error of singular / plural nouns, error of infinitives, error of part of speeches, error of possessive cases, empty of conjunctions in coordinative sentences, error of spellings ; elementary or intermediate learners ( such as freshmen ) suffer from native language transfer or simplification a lot ; advanced learners ( such as sophomores ) are affected by the overgeneralization of target language ; the error of part of speech or semantic selection ( except conceptual meaning ) runs through all phases, and it is likely to be fossilized
我們從研究中發現，困擾我國中學英語學習者的語言項目有動詞第三人稱單數s遺漏誤加、 be動詞誤加省、時態錯誤、冠詞錯誤、介詞搭配錯誤、主謂不一致、名詞單復數錯誤、不定式錯誤、詞性混用、所有格錯誤、並列句關聯詞空缺、拼寫錯誤；初、中級階段（大學一年級以前）學習者受母語遷移、目的語規則簡化影響較大；高級（大學二年級及以後）階段的學習者受目的語規則泛化影響較明顯；過渡語水平和學習者的學習階段呈正相關；英語詞性、詞義（概念意義除外）等方面的錯誤貫穿所有學習階段，且易形成「僵化」 。
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