查询词典 turning point

In Chapter 2, we study the existence of positive solutions for two-point and three-point boundary value problems of nonlinear differential equations.

第一节，运用锥拉伸与锥压缩不动点定理研究二阶三点边值问题正解的存在性。

The results showed that net photosynthetic rate P(subscript n, transpiration rate T(subscript r, stomatal conductance G(subscript s, intracellular concentration of CO2 C(subscript i, water use efficiency of cultivars and the light saturation point in leaves of 5 cultivars were different and had obvious differences, and the light compensation point was similar. Diurnal change of net photosynthetic rate among cultivars were different, three cultivars showed twin-peaked curve with an obvious midday-depress, others showed single peak curves.

结果表明：不同品种的净光合速率P(下标 n、蒸腾速率T(下标 r、气孔导度G(下标 s、胞间CO2浓度C(下标 i、水分利用率和光饱和点之间的差异明显，各品种的光补偿点均较低；净光合速率的日变化也存在明显的品种间差异，有3个品种呈&中午降低型&的双峰曲线，2个品种呈单峰曲线。

Melting point 3410 ℃, boiling point 560 ℃, relative density of 1935, F the external electronic structure of 5d46s2, in the chemical reaction time is very easy to lose 1-6 electronic, but also can get 1-2 electronic, so oxidation number of 0,± 1,± 2, 3, 4 , 5 and 6, with 6 price of the most stable compounds, such as WO3 does not dissolve in water, the air will form in the tungsten trioxide thin protective layer of tungsten, tungsten with fluorine at room temperature, chemical combination, red hot when there is no moisture and Bromine iodide together, red hot when you can and water reaction WO3, at room temperature reaction of tungsten with aqua regia, but the hot concentrated hydrochloric acid and sulfuric acid can only be played with its weak response, but molten nitrate, nitrite, too Hydrogen peroxide, sulfur steam, steam and other phosphorus can play intense reaction, high temperature can not be carbon, boron and silicon reaction of binary compounds, widely used in industrial tungsten steel and tungsten carbide, pure tungsten filament is used to the system, and X-ray tube Tube heating components, semiconductor components can be prepared tungsten silicide, tungsten industrial production is white or black tungsten ore tungsten ore refining.

熔点3410℃，沸点560℃，相对密度1935，F外围电子结构为5d46s2，在化学反应时很容易丢掉1—6个电子，也能得到1—2个电子，所以氧化数为0、±1、±2、＋3、＋4、＋5和＋6，以＋6价化合物最稳定，如WO3不溶于水，空气中的钨会形成薄层三氧化钨保护层，钨能与氟在室温下化合，红热并无潮气时能与溴、碘化合，红热时还能和水反应生成WO3，室温下钨可与王水反应，但热的浓盐酸和硫酸只能与其起微弱反应，但对熔融的硝酸盐、亚硝酸盐、过氧化氢、硫蒸汽、磷蒸汽等能起激烈反应，高温下不能与碳、硼和硅反应生成二元化合物，工业上广泛使用钨钢和碳化钨，纯钨用来制灯丝、电子管和X射线管的发热元件，硅化钨可制半导体元件，钨工业生产是将白钨矿石或黑钨矿石精炼。

Try to see the square perfectly; when you can do so draw a circle within the square; now place a point in the center of the circle; now draw the point toward you about 10 inches; now you have a cone on a square base; you will remember that your work was all in black; change it to white, to red, to yellow.

试著看清楚这个正方形；看清以后，在正方形中画一个圆；在圆心画一个点，然后把圆心的点向你自己的方向拉近10英吋。现在，你在一个正方形的底面上做成了一个圆锥；你应该能记住这个圆锥是黑色的；再把它变成红色、白色、黄色。

At present, main production: 6300T following various forging presses: hot forging press, cold and warm forging presses, cold extrusion machine; Trimming presses; closed single-point, double point press; high-speed precision bar cutting machine and forging, stamping production lines with hundreds of product variety.

目前主要生产： 6300T以下的各种锻造压力机：热模锻压力机、冷温锻造压力机、冷挤压机；切边压力机；闭式单点、双点压力机；高速精密棒料剪断机和锻造、冲压生产线等上百个产品品种。

In the logistic industry, the trend goes from point to point transmission to supply chain management.

在物流业中，也已从单纯的点对点运输走向供应链管理，提供整合运筹服务来满足客户的需求。

By using this combined curve, the widening or decrease of the track gauge is 0.06mm on the actual switch point, 0.78mm on the planing Start point if the longitudinal displacement of the switch rail is 20mm.

采用所选线型时，若尖轨向前或向后纵向移动20mm，尖轨实际尖端位置轨距减小或增加0.06mm，尖轨刨切起点位置轨距减小或增加0.78mm。

Wire resistive touch screen technology, the grass-roots to the voltage field in both directions through the precision resistor networks are added to the work of conductive glass surface, we can simply be understood as the voltage field in both directions of staggered working hours added to the same work surface, The outer layer of Ni-Au conductive layer is only just be used as a pure conductor, there are time-test, after touching the inner ITO contact point X-axis and Y-axis voltage value method measured touch point position.

五线电阻技术触摸屏的基层把两个方向的电压场通过精密电阻网络都加在玻璃的导电工作面上，我们可以简单的理解为两个方向的电压场分时工作加在同一工作面上，而外层镍金导电层只仅仅用来当作纯导电体，有触摸后分时检测内层ITO接触点X轴和Y轴电压值的方法测得触摸点的位置。

Wire resistive touch screen technology, the grass-roots to the voltage field in both directions through the precision resistor networks are added to the work of conductive glass surface, we can simply be understood as the voltage field in both directions of staggered working hours added to the same work surface, The outer layer of Ni-Au conductive layer is only just used as a pure conductor, there are time-test, after touching the inner ITO contact point X-axis and Y-axis voltage value method measured touch point position.

五线电阻技术触摸屏的基层把两个方向的电压场通过精密电阻网络都加在玻璃的导电工作面上，我们可以简单的理解为两个方向的电压场分时工作加在同一工作面上，而外层镍金导电层只仅仅用来当作纯导体，有触摸后分时检测内层ITO接触点X轴和Y轴电压值的方法测得触摸点的位置。

At this point you can try senled in plastic bags and boxes peel back-and-drop applanation, attempt to add a box of skin smoothing, but the results are not obvious, since the main point is that tobacco cigarette shop of temperature and humidity conditions and business card printing and membership card production workshop; and the difference of temperature and humidity conditions are too big.

这时可以测验考试着用塑料袋密封包装，并不兵盒皮不侧不收压平，试图不兵盒皮整平，但成果不澄辉，因为最次要的一点是烟厂卷递车间的温湿度前提与制卡和会员卡制息车间的温湿度前提出入太不小了。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"