slow and difficult 中文意思是什麼
slow and difficult
解釋
緩慢而困難的-
Based on the field investigations and laboratory examinations, a study of the population of the epiphytic dolichomitriopsis diversformis ( mitt. ) nog. in fanjing mountain reveals that its habitats are different among different host trees, but that there lies the common habitat characteristics of not more than 2m height from the bottoms of host trees trunks, less light, high relative humidity, slow wind speed, slow evaporation speed and long time of remaining humid in middle - lower tree bark ; that it is one dioecious moss species, the morphology is remarkably different between its perichaetium and perigonium, the number of its perichaetia is much more than that of its perigonia, its perigonium is difficult to find out, its sporophyte is upright, its seta is long and thin, its capsule is regular long oval and its calyptra is cucullate
摘要通過野外調查和室內觀測對貴州省梵凈山樹附生尖葉擬船葉蘚種群的研究表明，其生境因其所附生的樹種不同而有所不同，但具有共同特點：附生在樹干下部距地面2m高的范圍之內，光照弱、濕度大、風速小、蒸發量小、中下部樹皮保持濕潤的持續時間長；其為雌雄異株蘚種，雌、雄器苞形態差異明顯，雌器苞數量多，雄器苞數量少並且難于發現，孢子體直立，蒴柄細長，孢蒴規則長卵形，蒴帽兜形。 -
Cotyledon and hypocotyl ' s rate and quamity are the most among these explams, and callus can be obtained in 10 days by cotyledon and hypocotyl. reversely it is difficult to indue callus with root, and the callus from root is lnde and easy to become browning. the calius obtained from leaf grows very slow and does not become browning uniill in 2 or 3 months
銀杏的不同器官和組織都能夠誘導出愈傷組織來，其中，子葉和胚軸10d左右全部愈傷化，誘導速度和誘導率均最高，根則很難誘導，愈傷組織很少，褐化很快；葉片誘導的愈傷組織，生長慢，褐化也慢，在培養基上保持兩三個月而不褐化；胚乳的誘導時間也較長，需要30d左右。 -
The birth was difficult, and jacqueline was making a slow recovery.
傑奎琳臨產困難，康復很慢。 -
If it is too difficult you might become discouraged, your concentration will be overtaxed and progress will be slow
如果太難的話，你可能會感到灰心，注意力過于緊繃，而且進展緩慢。 -
This article points out that in china, the drought is aggravating gradually, agriculture proportion is decreasing slowly, arable area per capita, irrigation area and weight of diffusion area of new quality maize seed shows slow growth. it is difficult to improve maize technical efficiency
對技術效率的影響因素的研究結果表明，全國的旱災趨于加重，農業比重正在緩慢下降，人均耕地面積、灌溉和新品種應用的增長不快，而且從分佈上來看多對玉米主產區不利，未來玉米技術效率提高的形勢嚴峻。 -
Since the chip has interior sram and it ' s difficult and slow to test sram exteriorly, in chapter four we use the technique of bist in design of testability of sram, which makes it possible to test the memory at normal working speed
由於片內有sram ，而sram的片外測試比較困難且速度較慢，所以文中第四章採用bist技術對sram進行了可測性設計，完成後可以用正常的工作速度對存儲器進行測試。 -
For the third type, the blood ' s speed is very fast in a frame and maybe very slow in the next frame. it is difficult to measure the velocity using a standard video system but can be measured with high - speed video camera system [ 17, 42, 43 ]
第三類微血管內血液流動特性是時快時慢，很難在標準視頻設備下測量出來，但如果在高速採集卡下的視頻圖象和第一類一樣時，可以用第一類相同的方法測量出來。 -
She felt the stony ground of her heart break up; and tears, as difficult and slow as blood, began to trickle through her fingers.
她感到她那鐵石般的心底破裂了；眼淚如鮮血流得那樣艱難和緩慢，透過她的手指縫一滴滴掉落下來。 -
It is difficult to model them by means of traditional geometry theories, and its computation quantity is too enormous while its modeling speed is too slow
而這些特殊效應從形狀和狀態上來說是不規則的，如果運用傳統的幾何學理論很難比較真實地實現這些對象，而且計算量比較大，生成速度慢。 -
It was long, slow, difficult work, and during the next months i learnt to be very clever with my tolls
這是一項漫長艱難的工作，在隨后的幾個月里我學得熟練地使用工具了。 -
Taditional association rule mining methods lack of focus on the results, and the procedure is slow. those algorithms express the regularities with low level primitive data, and the mining association reules are difficult to understand
傳統的關聯規則挖掘缺少挖掘的針對性，挖掘速度慢，挖掘結果難于理解，挖掘結果的數量巨大，需要進行大量的篩選以便抽取出有用規則。 -
It would lead to much more errors and complex scanning structure set. measuring wheel set flange by digital camera needed confirming rim inside plane by special object. it was difficult to measure running wheels because data transmission speed was slow
數碼相機測量輪對踏面形狀的方法，需要用試塊接觸內側面進行定位，另外數碼相機的拍攝和傳輸速度一般均較慢，難以用於轉動中輪對踏面的測量。 -
How to optimize the reorder point and order quantity is a difficult problem for slow moving spare parts with high cost and long storage time
摘要對價值高的慢速流動備件，如何確定其最佳再訂貨時間和訂貨批量，這是目前困擾企業的一個急需解決的問題。 -
By using the general jigs for the general tools, it is difficult to get terrifically slow feeding speed, stable machining quality and smart micro profile. the overall frame of the control system on micro fabrication process of excimer laser was analyzed and instituted based on its unique characteristics
在微細加工中如果採用傳統的數控加工機床，由於其體積龐大，夾持工具粗重，難以獲得極低的加工進給速度、穩定的加工質量和靈活多變的微小加工輪廓。 -
China ' s traditional petty agricultural economy, the bottleneck effects of educational investment under socialist regulatory economic system, the rigidity of education system, the lack of training facilities and other factors lead to the present unsatisfying condition that the labour force in china has a low capacity and is slow to improve, which results in his being difficult to get employed
我國傳統小農經濟傳統、社會主義統制經濟體制下教育投資的瓶頸制約、教育體制的僵化、培訓條件的缺乏等因素使得我國勞動者素質技能低下，提高緩慢，使得勞動者就業能力低下。而我國工業化的重工業化特點以及資金的缺乏使得我國的就業機會缺乏。 -
Proposition of the question according to resource - based industry and regulation of resource - based urban development, resource - based urban in mature of declining period generally face such social problems as resources exhaustion, environmental pollution, single industry structure, difficult local finance, heavy employment pressure of laid - off workers, slow economic growth, strengthen of social destabilizing factors
資源型城市的接續發展是關繫到國計民生的重大問題。 2005年溫家寶總理在第十屆全國代表大會第三次會議政府工作報告上提出: 「加強礦產資源開發管理，整頓和規范礦產資源開發秩序，完善資源開發利用補償機制和生態環境恢復補償機制」 。 -
The big capacityimitate true soft get rid of thoroughly resolved the machine, electronics, spinning, clothing, printing, carpenter etc. manufacturing the profession can ' t use the u dish to read the plait problem of the distance document, soft get rid of to read that the slow problem of dish hases already perplexed many bosses and operates the personnel and maintains for a lot of years, it is a problem with difficult eldest brother of manufacturing industry that personnel be rated as
大容量模擬軟驅徹底解決了機械、電子、紡織、服裝、印刷、木工等製造行業不能使用u盤讀取編程文件的問題，軟驅讀盤慢的問題已經困擾了許多老闆、操作人員和維修人員很多年，堪稱是個製造業的老大難問題。 -
However, most treatments for childhood overweight and obesity are ineffective, slow, difficult and labour intensive for all children and families involved
然而，大部份兒童超重及肥胖的治療方法都是效率低、收效慢、難實行，令兒童和家長疲於奔命。 -
Travel by train is slow and difficult in some countries
在有些國家坐火車旅行慢而且艱難。 -
Teaching him greek was a painful ( ie slow and difficult ) process
教他希臘文是很吃力的事
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