查询词典 at a rate of

The automobile have a large proportion in energy consumption and pollution emissions in the atmosphere of the contribution rate of our country.at current about 85 percent of domestic gasoline and diesel about 23 percen is consumpted by The automobile and automobile exhaust emission pollution brought about by more are becoming increasingly serious.

汽车在我国能源消耗和在大气污染排放中的分担率上占有很大比例，目前汽车每年消耗掉国产85%左右的汽油和23%左右的柴油，而汽车尾气排放带来的环境污染更是日趋严重。

A contract with an inconsiderate contractee for the delivery of 32 consignments of some given commodity in consideration of cash payment on delivery per delivery at the initial rate of 1/4d to be increased constantly in the geometrical progression of 2 (1/4d, 1/2d, 1d, 2d, 4d, 8d, 1s 4d, 2s 8d to 32 terms).

与一个粗心的订约者签订一份商业合同：作为三十二件商品的运送费，第一件只收四分之一便士，自第二件起，以二的几何级数递增（四分之一便士，二分之一便士，一便士，二便士，四便士，八便士，一先令四便士，二先令八便士，一直递增到第三十二件）。

Where related to production factors, payments shall be made at a degressive rate above a threshold level of the factor concerned .

e如支付与生产要素有关，则支付应以高于有关要素最低水平的递减率给予。

Endoscopic Ways at nose under the guidance of biological tissue using laser thermal effect, 61 cases of allergic rhinitis patients with nasal ethmoidal nerve distribution area [1] (before the upper lateral wall of the nasal cavity, middle turbinate, inferior turbinate anterior , anterior nasal septum) punctate mucosal tissue coagulation, vaporization treatment, the results of a success rate of 90.16 percent, followed up for 6 months 1 3 years.

在鼻内镜直视引导下，利用激光对生物组织的热效应，对61例过敏性鼻炎患者进行鼻腔筛前神经分布区[1]（鼻腔外侧壁前上部、中鼻甲、下鼻甲前部、鼻中隔前部）粘膜组织斑点状凝固、汽化治疗，结果成功率达90.16%，随访6个月一3年，效果良好。

By means of mycelium growth rate, the acetone extracts of fermentation products of 39 strain were tested against Botrytis cintrea,Gibberella zeae, Phytophthora capsic, Glomerella cingulata, Bipolaris maydis, Alternaria alternata at the concentration of 500 u g/ml. The results showed that the acetone extract of 1L, 2B and 5J strains fermentation products had a certain degree fungicidical activity.

以番茄灰霉病菌、小麦赤霉病菌、苹果炭疽病菌、玉米小斑病菌和辣椒疫霉病菌为供试菌种，在500μg／ml的浓度下，采用抑制菌丝生长速率法对39株内生真菌发酵产物进行了杀菌活性筛选，发现1L、2B和5J 3菌株的发酵产物丙酮粗提物均对供试病原菌有不同程度的杀菌活性。

But after 30 days or more long, the effective ratios of the three groups decreased at a different rate. Three months later, there was a significant difference between lased-with-CaF2 group and Gluma group on effective rati

但随着随访时间的延长，有效率表现出明显的不同，激光氟化钙组与Gluma组的三月有效率比较具有非常显著差异P 效率比较相差不明显P﹥0.05；半年后，三组有效率两两比较P

Morphology of sexual reproduction abortion in'High Noon', a distant hybridization cultivar of tree peonies(P.delavayi var. lutea×P. suffruticasa), was systematically investigated with light microscopy and cross. The results indicated that:(1)The stamens matured earlier than the gynoecia and pollens dispersed at the early stage of anthesis but the rate of normal 2-celled pollens were merely 2.41%.

采用光镜和杂交等方法对牡丹远缘杂交一代品种'正午'有性生殖败育进行系统形态学观察发现：(1)雄蕊较雌蕊先成熟，初花期即散粉，正常2-细胞花粉仅占2·41%，且花粉在多种培养液中、在自身和其它两种柱头上均不萌发；柱头在谢花期大量分泌粘液，进入最佳授粉状态；(2)同一胚珠中多个大孢子母细胞减数分裂高度不同步，胚囊发育与受精延迟，部分胚乳游离核在细胞化时期分裂异常；(3)自花及品种内异花授粉不结实，天然授粉结实率为0·053‰~0·130‰。

The separation was performed with 35mM KOH as isocratic mobile phase at a flow rate of 1.0mL/min and accomplished with a Dionex Ion Pac AS11-HC column.

用35mM的KOH溶液等度淋洗，流速为1.0mL/min，采用AS11-HC型阴离子色谱柱进行分析。

The microstructural nomograph of these Al-Si alloys is constructed to provide for the selection of optimum addition of Sr or Sb in production practice Experimental results indicate a threshold of Sr content in Al-Si alloy modification, over it, the structure of Al-Si alloy may be completely modified even at quite slow cooling rate down to 4.5℃/min.

实验结果表明，Al-Si合金加Sr后变质存在一个变质阈值，超过这个阈值时，即便在投缓慢的冷速(4.5℃/min)下，仍能获得完全变质的组织。这个变质阈值随着冷速的减慢而增大。

Two independent molecular sources were used to reconstruct phylogeny: the 16S rRNA gene on the mitochondrial genome and the 28S rRNA gene on the nuclear genome. A comparison of the sequences showed that the obtained 28S rDNA sequences have evolved at a much slower rate than the 16S rDNA, and that the former is better than the latter for resolving deep branching in the Odonata.

两种独立的分子资源用于重建系统发育发展史：线粒体基因组的16s rRNA基因和核基因组的28s rRNA序列比对表明：获得的28s rDNA序列以远低于16s rDNA的速率进化，并且28s rDNA比16s rDNA更适于分析蜻蜓目的深度分支。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。