查询词典 first step

Children have taken the first step to prepare a timely manner after the affirmative, the second step, the third step can be easily handled.

孩子有准备地迈出第一步后，及时肯定，第二步、第三步就好办了。

What is the first step in the reaction of E+ with PhH Compare it with the first step in the addition to an alkene.

答： E+与 PhH的第一步反应是什么试与烯的加成反应比较。

The preparing process is described as follows:(1) the raw materials are dispersed in the solvent;(2) the solution is arranged between two electrodes;(3) alternating current with a voltage of 5 V-100V and a frequency of 10Hz-1000Hz is applied to both ends of the electrodes for 5minutes to one hour;(4) the product obtained after being washed with deionized water and pump filtrated or after centrifugal treatment is dried by being heated to 40 centigrade to 100 centigrade to get the nanometer grain, wherein the raw materials in the first step are micrometer materials or nanometer materials such as sulphide, selenide, telluride and oxide; without special requirement on shape or appearance, the materials can be in the shape of a rod, a fork, a star, a block or a sphere; the solvent in the first step can be water, ethanol, acetone, benzene or tetra chloromethane.

步骤为：1将原料分散于溶剂中；2使制成的溶液处于两电极之间；3在电极两端的加交流电，电压为5V-100V，频率为10Hz-1000Hz，时间为5min-1h；将产物用去离子水洗涤、抽滤，或进行离心处理后；4将所得到产物加热到40～100℃进行干燥，得到纳米颗粒。步骤1中原料为硫化物、硒化物、碲化物、氧化物等微米或纳米材料，其形貌不限，可以为棒状、枝状、星状、块状、球形等多种形状。步骤1中的溶剂可以为水、乙醇、丙酮、苯或四氯化碳。

The first step of the plant pterin branch is catalyzed by GTP cyclohydrolase Ⅰ and the first step in the conversion of chorismate to pABA is mediated in plants by aminodeoxychorismate synthase.

叶酸分子是由喋呤和对氨基苯甲酸从头合成的，二者合成的关键酶腺苷三磷酸环化水解酶和氨基脱氧分支酸合成酶已得到克隆鉴定。

The first step is selecting a rain gauge as rainfall center by taking turns and adding the nearest rain gauge step by step to estimate the rainfall ratio relation of the same time with respect to the different distance separately. The last step is utilizing Weibull function can inquire into the return periods. Then, the ARF of Tamshui River basin is established.

研究中，先以某个雨量站当成点降雨中心，并逐次纳入邻近雨量站，即可分别得到不同距离下、同时间之雨量比值关系，依序置换不同雨量站为中心进行相同之分析，并利用威伯点绘法，进一步推求重现期距，即可建立研究区域之不同重现期距、不同延时与面积递减关系之ARF曲线。

The first step is to get an evaluation index information map series; the second step is to do quantitative analysis and evaluation to every evaluation index by using the GIS software; the third step is to comprehensively evaluate the regional ecological function; the fourth step is to regionalize the ecological function.

其步骤为：第一步获取评价指标信息图层，第二步利用GIS软件对各个评价指标进行定量分析评价，第三步区域生态功能综合评价，第四步生态功能分区。

Our country has realized the modernization"three step to walk" the strategy first step of, the second step of goal, the lives of the people overall reaches higher authorities the better-off level, enters the realization modernization third step of strategy the new stage, also the manner modernized development welcomed the rare development condition.

我国已实现了现代化建设"三步走"战略的第一步、第二步目标，人民生活总体上达到了小康水平，进入实现现代化建设第三步战略的新阶段，也为人的现代化发展迎来了难得的发展条件。

The first step of Prospecting leads to this last step, which in turn leads back to the first.

第一步主顾开拓会引向最后一步，最后一步又反过来引向第一步。

According to procedures, the design drawings submitted to the fire, the fire is the first step in monitoring, because She was called to meet the "first step" and eat a ticket.

按照程序，报送消防设计图纸，是消防监督的第一步，周女士是因为不肯配合&第一步&而吃了罚单。

The first step is to clean the hawthorns, and then remove the stone. Then use a slender pointed piece of bamboo and string the hawthorns together. The second step is to put water and sugar in a pot and boil it for 20 minutes until it's a liquid. The third step is to put the hawthorns in the pot, coating them in the sugar. The last step is to wait until the sugar cools off and then you're done.

第一步，把山楂洗干净，再把里面的核去掉，用竹签子把山楂串在一起；第二步，把白糖和水放在锅里熬20分钟，熬成汁儿；第三步，把山楂放进锅里，蘸上糖；最后一步，等糖冷却了以后就可以了。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。