准确过滤率数据显示,该算法可平衡系统可扩展性要求和精度要求。
Data on accurate filtering rate indicate that the algorithm can make a good tradeoff between the requirements of system scalability and accuracy.
模糊分组方法不仅减少了匹配次数,还能维持稳定的、高效的数据过滤率,保证较高的有效数据。
This method not only kept high and stable data filtering rates and effective data receiving rates in different situation but although greatly reduced matching number.
初级评估疗效指标是肾小球过滤率的变化,观察在18个月和36个月(3年)的肾小球滤过率(GFR)变化。
The primary outcome measure was progression of nephropathy, which was assessed by change in glomerular filtration rate (GFR) at 18 and 36 months.
但是,如果没有数据分布,则数据库服务器根据表索引计算不同类型的过滤器的选择率。
However, in the absence of data distributions, the database server calculates selectivity for filters of different types based on table indexes.
浏览窗格根据大小、屏幕类型、分辨率及来源等属性提供了过滤功能来缩小结果范围。
The Explorer pane provides filters for narrowing your search results by attributes such as length, screen type, resolution, and source.
优化器可以使用数据分布来计算查询中过滤器的选择率。
The optimizer can use data distributions to calculate selectivity for the filters in a query.
遗憾的是,这些过滤器的“误承认”的发生率比较高 —以至于我不时地需要手工来检查垃圾邮件文件夹中的某些邮件。
Unfortunately, they also have a relatively high false positive rate -- enough that I need to manually examine some of the spam folders from time to time.
接下来它还要经过一些数学处理程序,比如小波分解,多重分辨率傅立叶分析,多相过滤,离散余弦变换等。
It is then subject to such mathematical indignities as wavelet decomposition, multi-resolution Fourier analysis, polyphase filtering and discrete cosine transformation.
选择率是介于 0 到1 之间的一个值,表示表中能通过过滤器的行所占的百分比。
The selectivity is a value between 0 and 1 that indicates the percentage of rows within the table that the filter can pass.
研究者们还表明,在60年代到70年代初期,英格兰和威尔士的家用天然气开始被过滤毒性后,自杀率确实下降了三分之一。
When domestic gas was detoxified in England and Wales in the 1960s and early 1970s, there was a drop in the suicide rate of about a third, researchers have argued.
但若采纳较高的过滤速度,或存在粘性或低孔率的尘埃层,应取稍高的数值。
However, the higher the filtration rate, or the presence of viscous or low porosity dust layer, should take a slightly higher value.
过滤式防微粒口罩总透漏率的试验方法。
Test method for total inward leakage of filtering particle respirator.
同时,还装有灯具和高分辨率的摄像机,以及用来收集湖水中固体物质的过滤器。
It will also carry lights and a high-definition video camera, and filters to draw solids from the water.
其特点是体积小、重量轻、使用方便、过滤面积大、堵塞率低、过滤速度快、无污染、热稳定性及化学稳定性好。
Features: small volume, light, easy to use, broad filtering area, low block rate, high filtering speed, no pollution, good heat stability and chemical stability.
结果使用生物过滤器后医院下呼吸道感染发生率显著下降,呼吸回路螺纹管内几乎无细菌寄居。
RESULT After the filter used, the rate of nosocomial lower respiratory tract infection is reduced obviously, and breathing circuit almost have no bacteria colonized.
如果调制率高,是有可能顺利进行,脉冲列车使用被动电子过滤器和收回平均模拟波形。
If the modulation rate is high, it is possible to smooth out the pulse train using passive electronic filters and recover an average analog wave form.
试验发现,短纤维束滤料滤层的孔隙率沿过滤方向由大到小,为变孔隙滤层。
Experiments showed decreased porosity of the filter bed along the filtering direction.
开发了“智能邮件过滤系统(IEFS)”,使垃圾邮件误判率得到了一定程度的控制,有效防止了垃圾邮件的泛滥。
And have developed "Intelligent E-mail Filter System (IEFS)". It has made the rate of spam erroneous judgment under the control, efficiently avoid spam overflow.
当它作为过滤介质进行过滤器设计时,查不到密纹网的一个重要性能指标—孔隙率。
When the dense net was used as filter medium for filter design, the porosity, as one of the important performance levels of the dense net, could not be found.
通过土壤表层图像的中值滤波、图像模式转换和“坏区”过滤,提取图像的特征参数——灰度值,并对土壤表层图像的灰度值与其含水率的关系进行了试验研究。
After median filtering, image mode transforming, and "bad area" filtrating to images of soil layer, the authors extract the characteristic parameter of a image, that is gray-value, and c.
主要针对赤泥过滤时,添加适宜的表面活性剂,使拜耳赤泥料浆中的液体表面张力下降,从而达到降低过滤后拜耳赤泥浆含水率的目的。
The suitable surface active agent was added to decrease the liquor surface tension of bae yer red mud slurry so as to achieve the aim of decreasing mud moisture content after the filtration.
通过计算还得到了不同处理风量和过滤介质表观渗透率条件下,各滤袋组过滤速度和颗粒沉积量分布规律。
The filtration velocity and the quantity of particle accumulated on each bag group are also disclosed under different filter media permeabilities and inlet flow rates.
研究结果表明合理的过滤工艺可以有效地降低铝的电阻率。
It is shown that the resistivity of aluminum can be decreased effectively using reasonable filtration process.
果胶酶处理可提高制汁得率18%,且提高过滤速度。
Treated with pectase, the extract of strawberry was increased by 18%and the filter efficiency was increased evidently.
取过滤前后血液标本进行血液质量检测,并观察临床非溶血性输血反应发生率降低的程度。
Samples before and after filtration were undergone blood quality detection and then observed the extent it reduced the incidence of clinical non-hemolytic transfusion reactions.
实验结果表明,该方案具有较高的首次查询命中率和稳定的过滤效率,能提高加密系统的整体性能。
Experimental result shows that this scheme has higher first inquiry shooting and stable filtering efficiency, it can improve the encryption system performance.
结果表明,添加聚丙烯酰胺可以明显提高精煤产率、尾煤灰分,亦可以提高煤泥水澄清度,显著加快过滤速度,降低滤饼水分。
The result indicated that it can enhance the yield of cleaned coal, increase the slime water clarity, accelerate rate and reduce moisture content in press cake by adding PAM.
其特点是体积小、重量轻、使用方便、过滤面积大、堵塞率低、过滤速度快、无污染、热稳定性及化学稳定性好。
Features: small volume, light, easy use, broad filtering area, low block rate, high filtering speed, no pollution, good heat stability and chemical stability.
测试了某型静电过滤器的臭氧发生率。
Gives ozone emission rate of the electrostatic filter from field measurement.
简易过滤装置可有效地净化亲虾池水质,提高亲虾养殖密度与成活率。
The simple filter apparatus couldeffectivelly purfty water quality, and raise rearing density and survival rate of the parentshrimp in the overwintering pond.
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