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- It is proved that such indices can hardly do faster than linear scan for the sake of high dimensionality. 已經(jīng)證明，維數較高時(shí)利用高維索引處理這兩類(lèi)查詢(xún)幾乎不可能比線(xiàn)性?huà)呙杩臁?/li>
- Objective: To study the scan technique and methods of multi-slic e helical computed tomography (MSCT) angiography for peripancreatic vessels. 目的:探討多排螺旋電子計算機體層掃描(MSCT)胰周血管成像的掃描技術(shù)和成像方法。
- Columns are quickly accessed by ID, but a search by column name requires a linear scan through the array of FIELD structures. 通過(guò)ID可以快速訪(fǎng)問(wèn)列,而按列名搜索則需要對整個(gè)FIELD結構的數組進(jìn)行線(xiàn)性?huà)呙琛?/li>
- Objective:To study the value of usi ng spiral CT scan technique to examine the lesion in woman pelvic cav-ity. 目的:探討螺旋CT掃描技術(shù)在女性盆腔病變診斷價(jià)值。方法:分析57例女性盆腔病變CT表現,并與手術(shù)病理結果對照。
- Cyclic voltammetry and linear scan voltammetry were used to investigate the chemical characteristics of the immunosensor. 采用循環(huán)伏安法和線(xiàn)性?huà)呙璺卜疾炝藗鞲衅鞯男再|(zhì)。
- Linear scan with the same condition, there was no obvious change in appearance and color of the treated nasal mucosa in the inferior turbinate of the sheep. 聚焦超聲掃描黃羊下鼻甲后，其黏膜外觀(guān)和色澤無(wú)明顯改變，但掃描后第3天鼻腔分泌物增加、第7天恢復正常。
- The part-BS PCB boards composed of BS chips and non-BS chips will exist widely for a long time, how to test these boards using boundary scan technique remains a key problem. 摘要由BS器件和非BS器件組裝的非完全BS電路板仍在今后相當時(shí)間廣泛存在，如何對它們應用邊界掃描測試是板級邊界掃描測試技術(shù)需要研究的關(guān)鍵問(wèn)題。
- Because the phase continue scan technique is adopted, this method has the advantage of a high anti-disturbance capability without exactly calibrating the optical phase-shifter. 由于采用光學(xué)連續相位掃描，該方法具有較強的抗環(huán)境干擾能力，不需要精確校準光學(xué)相移器，并且能自動(dòng)定量地給出物體的全場(chǎng)振幅分布。
- Secondly, the paper proposed a new fracture parameters inversion technique from which the fracture azimuth is obtained by a multi-trace scan technique in common conversion point (CCP) gathering. 然后，提出了一種在共轉換點(diǎn)道集中利用基于多道統計的角度掃描法取地下目標煤層的裂隙發(fā)育方位的方法。
- Based on the law of reflection, using the rotation polygonal mirror and the second reflection mirror, the linear scanning of laser beam is realized by the novel scan system. 根據光線(xiàn)反射定律，提出了采用多面轉鏡和二次反射面相互配合來(lái)實(shí)現光束在屏上線(xiàn)性?huà)呙璧南到y模型。
- Somewhat better would be to linearly scan the old generation looking for references to young objects. 更好的一種方法是線(xiàn)性?huà)呙枥系拇圆檎覍δ贻p對象的引用。
- Study on an algorithm of linear scan conversion 直線(xiàn)掃描轉換算法的研究
- Boundary scan Technique and Its Applications 邊界掃描技術(shù)及其應用
- This paper presents a new linear scanning optical system,which consists of a pair of microlens arrays in the Galilean telescopic geometry and a common convergent lens. 本文介紹了一種新型的線(xiàn)性?huà)呙韫鈱W(xué)系統，它由一對處于望遠型結構的微透鏡陣列和一個(gè)普通的會(huì )聚透鏡組成。
- REST Radar Electronic Scan Technique 雷達電子掃描技術(shù)
- Methods The applicability of linear scanning for multiwire proportional chamber direct digital Xray radiography were analysed. 方法以多絲正比室線(xiàn)掃描X線(xiàn)攝影系統為基礎,分析線(xiàn)掃描直接數字化X線(xiàn)攝影的適用性。
- Optimal stitching algorithm is extremely important for testing large-aperture aspherical optical elements by annular sub-aperture scanning technique. 摘要優(yōu)化的拼接算法是環(huán)形子孔徑掃描測量大口徑非球面光學(xué)元件的關(guān)鍵問(wèn)題。
- single - beam Z - scan technique 單光束Z-scan技術(shù)
- The esterase isozymes of 10 isolates from different Alternaria species and Alternaria brassicae have been compared by IF PAGE and TL scanning technique. 對鏈格孢菌（Alternaria）不同種和蕓苔鏈格孢菌（Alternariabrasicae）不同菌系的10個(gè)菌株的酯酶同工酶進(jìn)行聚丙烯酰胺凝膠電泳（IF－PAGE）和TL紫外掃描分析。
- Method: The lung tissue of ALI rabbits model induced by endotoxin were examined by isotope lableled PMNs scanning technique to observate the curative effects of melatonin. 方法:采用家兔內毒素性急性肺損傷模型,觀(guān)察甘露醇治療對急性肺損傷組織微血管床滯留核標記PMN顯像的影響。
