low threshold 中文意思是什麼
low threshold
解釋
低閾-
The two girls, on whom, kneeling down on the wet ground, and looking through the low, latticed window of moor house kitchen, i had gazed with so bitter a mixture of interest and despair, were my near kinswomen ; and the young and stately gentleman who had found me almost dying at his threshold was my blood relation
那天我跪在濕淋淋的地上，透過沼澤居低矮的格子窗，帶著既感興趣而又絕望的痛苦復雜的心情，凝視著這兩位姑娘，原來她們竟是我的近親。而這位發現我險些死在他門檻邊的年輕莊重的紳士，就是我的血肉之親。 -
The high - power semiconductor quantum well ( qw ) laser is a kind of luminescence device with superior performance, it has longe - lived, low threshold current density, high efficiency, high luminosity and excellent monochromatic, coherence, directionality, etc. the high - power semiconductor laser is widely applied to the fields, such as military, industrial machining, communication, information processing, medical treatment, etc. the material ' s epitaxy is the foundation of the whole laser ' s fabricating, and it has important influence on the optics and electricity performance about the laser
大功率半導體量子阱激光器是一種性能優越的發光器件，具有壽命長、閾值電流密度低、效率高、亮度高以及良好的單色性、相干性、方向性等特點，廣泛應用於軍事、工業加工、通信及信息處理、醫療保健等領域。材料的外延生長是整個激光器器件製作的基礎，對器件的光學和電學性能有著重要的影響，生長不出優質的材料體系，獲得高性能的器件就無從談起，因此，材料的外延生長便成為了整個半導體激光器製作過程之中的重中之重。 -
The deterministic exclusion algorithms are designed to have 100 % guaranteed sensitivity to similarities above a user - specified threshold, but they do not scale well to large all - pairs problems at low but practically interesting identity thresholds of 65 - 70 %
對于高於用戶指定閾值的相似性，確定的排除演算法確保具有100敏感性。但是，對于相似度低，但實際上有趣的相同度水平65 ? 70的大規模全體成對問題，其敏感性不好。 -
The ingaas / gaas strained quantum well lasers are able to work with extremely low threshold current density, high characteristic temperature and high cod limit, which make ld lasers achieve higher output power and longer ufe. therefore, ingaas / gaas strained quartum wellstructures can be used for the fabrication of high power semiconductor lasers
Ingaas / gaas應變量子阱激光器具有級低的閾值電流密度、較高的特性溫度和較高的光學災變損傷閾值，這使得激光器具有更高的輸出功率和更長的壽命。因此ingaas / gaas應變量子阱結構可以用於大功率半導體激光器的制備。 -
Another advantage, contrast to using convolutional codes or turbo codes, is its low complexity while maintain high ber performance because the check equations are used to terminate the both iterations. we develop the theoretical error free feedback bound for bpcm - id and predict the threshold for decder convergence using the extrinsic information ransfer chart ( exit )
利用非正則ldpc具有不同度的信息節點概率密度演化的差異，對高階星座中具有較高級別的子通道提供額外的保護，可使迭代反饋判決時，星座子集擁有最大的無錯反饋歐氏距離調和均值，從而改善系統的迭代收斂特性。 -
Vertical - cavity surface - emitting lasers ( vcsel ' s ) have distinct advantages over conventional edge emitting lasers, such as small divergence angle, single longitudinal mode operation and very low threshold current. they are especially suitable for making two - dimensional ( 2 - d ) arrays as well as vcsel ' s based integrate devices
垂直腔面發射半導體激光器（ vcsel ）與傳統的邊發射半導體激光器相比，它具有發散角小、單縱模工作、非常低的閾值電流等優點，尤其它適於二維面陣集成和與其它光電子器件集成。 -
Abstract : in view of the crystal structure, this paper repo rts thecharacter of single crystal growth of germanate and the properties as me dium of laser crystal. the study and progress in germanate crystals used as widel y tunable laser crystal, self - doubling - frequency crystal and highly efficient and low pumping threshold laser crystal are introduced
文摘:從晶體結構上分析了鍺酸鹽的單晶生長和作為激光晶體基質的特點，並介紹了鍺酸鹽作為可調諧激光晶體，自倍頻晶體，高轉換效率和低泵浦閾值的激光晶體的研究及進展。 -
An analytical mosfet threshold voltage shift model due to radiation in the low - dose range has been developed for circuit simulations. experimental data in the literature shows that the model predictions are in good agreement. it is simple in functional form and hence computationally efficient. it can be used as a basic circuit simulation tool for analysing mosfet exposed to a nuclear environment up to about 1mrad. in accordance with common believe, radiation induced absolute change of threshold voltage was found to be larger in irradiated pmos devices. however, if the radiation sensitivity is defined in the way we did it, the results indicated nmos rather than pmos devices are more sensitive, especially at low doses. this is important from the standpoint of their possible application in dosimetry
該模型物理意義明確，參數提取方便，適合於低輻照總劑量條件下的mos器件與電路的模擬。並進一步討論了mosfet的輻照敏感性。結果表明，盡管pmos較之nmos因輻照引起的閾值電壓漂移的絕對量更大，但從mosfet閾值電壓漂移量的擺幅這一角度來看，在低劑量輻照條件下nmos較之pmos顯得對輻照更為敏感。 -
Before the bp neural net forecast fire size class, it needs a process of studying from sample data. the neural net adjusts the weight value and threshold value according to the sample so as to give the linking weight value and threshold to low the difference between output from itself and the expected value
Bp網路在應用於預測預報之前，需要一個網路學習過程，網路根據輸入的訓練（學習）樣本進行自適應、自組織，確定各神經元的連接權w和閾值。 -
The result of experimentation on coupling effect of water and fertilizers on spring corn in the three gorges reservoir area indicate that water stresslead the effect low of highness and lai, and the most effect is made in shooting stage ; it has a significant positive correlation between the yield of corn and biomass, and hasn ' t none significant positive correlation between the yield of corn and the weight of roots ; the coupling effect of water and n is significant, but the coupling effect of water and k is not significant, the maximum yield of corn condition fitting - water and medium n, corn absorbs n has a threshold value during the growth, and using superfluous n is able to prick up soil drought and crop drought ; water is the leading factor which effects the yield of corn, next is n and k
摘要三峽庫區春玉米盆栽水肥耦合試驗研究結果表明，水分脅迫導致玉米株高和葉面積指數降低，以拔節期受到影響最大；玉米產量與生物量呈顯著正相關關系，產量與根重無顯著正相關關系；水氮耦合效應顯著，適宜水分和中氮處理下玉米的產量最高，玉米生長發育對氮肥的吸收存在一定的閾值，過多施用氮肥會加劇土壤乾旱和作物乾旱，水和鉀耦合效應對玉米產量影響不顯著；水分是影響玉米產量的主導因素，其次是氮效應和鉀效應。 -
Much emphasis has been put on organic nonlinear optical materials because they have many advantages, such as wide response wave band, good flexibility, high optical damage threshold, low cost, and easy combination and modification
由於有機非線性光學材料具有寬的響應波段、良好的柔韌性、高的光損傷閾值和較低成本，以及易於合成、可以進行裁減和修飾等特點而備受重視。 -
Among those nonlinear effects, stimulated brillouin scattering has the worst effects on the fiber hydrophone system due to its low threshold and it produces a new light wave which is different from the incident light in frequency. this dissertation discusses the physical mechanism and quantum explanation of sbs in fiber
在眾多非線性效應中，由於受激布里淵散射（ stimulatedbrillouinscattering ）效應的閾值最低，且產生了與入射光場不同頻率的新的光場，故對光纖水聽器系統而言，影響最大的即是受激布里淵散射效應。 -
He is so low that he drops on the threshold and has hardly the strength of mind to enter.
他的情緒非常低，一到門口就泄了氣，幾乎無決心進去。 -
A precision force banacing accelerometer for ineration navigation application is developed. the resolution, low - sensitivity threshold and high thermal stability are considered as design parameters. in order to guarantee a low - sensitivity threshold while maintaining robustness against shock, push - pull type long flexures are used in this paper. to improve thermal stability, this paper discusses the use of electromagnets as a magnetic fied source. the silicon pendulum assembly and modified inducance type pick - up is also developed to reduce assembling procedure. the measure range of accelerometer is 0 - 70g
加速度計的解析度、靈敏度閾值和高的熱穩定性是設計時主要考慮的參數。本論文中使用推?挽式長撓性結構來保證低靈敏度閾值，同時保證抗振魯棒性。為了提高熱穩定性，本文中討論了利用永久磁鐵作為磁場源；微加工技術被引入擺組件的結構設計和利用力矩線圈作為激勵線圈來簡化電感式的檢測裝置。 -
She has a very low threshold of pain
她的痛覺門檻非常低。 -
Those substances presented the characteristics such as low threshold value, sensitive under low temperature, and low variance, which caused the complexity of luzhou - flavor liquor flavor and the great difference by tongue tasting
苦味物質表現出閾值較低、在低溫下較敏感、可變性小、可使濃香型酒風味復雜、舌各部位對苦味的敏感程度差異較大等特徵。 -
There are many approaches to achieve the purpose, and one of the perfect them is tunnel - cascaded multi - active regions large cavity ld structure, in which not only the effective thickness of the active region increase but also obtain lds ’ low threshold current and high slope efficiency and other properties
有多種途徑實現ld光束特性的改善，其中採用多有源區隧道結級聯大光腔結構的半導體激光器是既增加有源區等效厚度而又保證ld低閾值電流和高斜率效率等特性的最佳途徑之一。 -
The first value is the low threshold for memory usage
第一個值是內存使用的下限。 -
However, ingaas strained - layer single quantum well lasers, optimized for low threshold current and low series resistance, have a highly elliptical beam structure emanating from the laser facet
但是報道的技術中多是針對圓對稱光束或近圓對稱光束。 -
It can reduce power dissipation dramatically. however, the leakage power severely increases because of the low threshold, so a simulated annealing algorithm is presented to adjust threshold in non - critical paths, while the threshold in critical path is still kept low to increase performance. this method can decrease leakage power by 100 times without speed penalty
為了降低等待狀態的漏電功耗，本章提出了一種基於模擬退火演算法的雙閾值調節方法，對關鍵路徑上的器件採用較低的閾值以提高速度，而其餘器件仍然保持較高的閾值以避免過大的漏電流，將該方法應用於iscasbenchmark電路中，可以使漏電功耗基本保持不變，而動態功耗則大幅度降低。
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