查询词典 hard times

The writer thinks existing major problems:1、The confusion Produces by the same plant have the different name、the different plant have the same name、think the typeface meaning just the righteousness,even fabricate without basis etc; 2、Because dont understand living creature type and adaptability in the depth of the water for the plants , A great deal of aquatic plants death;3、In planting design, so much express of plants specification ,and many of them are disobey with biology characteristic, so the plants are hard for purchase or the result is very bad after plant; 4、Plant density more than 100 times or less than several decuples of normal.

作者认为存在的主要问题有：1、植物名称同物异名、同名异物、望文成义，甚至凭空捏造等等产生的混乱；2、植物生物型和水深适应性不了解造成的种植水深不符植物习性，从而使大量水生植物死亡；3、种植设计中，苗木规格的表述不妥，许多表述与植物的生物学特性相违背，造成苗木难以采购或种植后效果极差；4、种植密度严重偏大或偏小，偏大的大于正常的100多倍，小的则少几十倍检针机。

The writer thinks existing major problems:1、The confusion Produces by the same plant have the different name、the different plant have the same name、think the typeface meaning just the righteousness,even fabricate without basis etc; 2、Because dont understand living creature type and adaptability in the depth of the water for the plants , A great deal of aquatic plants death;3、In planting design, so much express of plants specification ,and many of them are disobey with biology characteristic, so the plants are hard for purchase or the result is very bad after plant; 4、Plant density more than 100 times or less than several decuples of normal.

作者认为存在的主要问题有：1、植物名称同物异名、同名异物、望文成义，甚至凭空捏造等等产生的混乱；2、植物生物型和水深适应性不了解造成的种植水深不符植物习性，从而使大量水生植物死亡；3、种植设计中，苗木规格的表述不妥，许多表述与植物的生物学特性相违背，造成苗木难以采购或种植后效果极差；4、种植密度严重偏大或偏小，偏大的大于正常的100多倍，小的则少几十倍螺旋板换热器。

Successfully complete the game on the hard difficulty setting eight times to unlock all Epilogues.

在困难难度下八次完成游戏即可开启所有后记。

The following exciting results are revealed: 1 When considering the influence of some nonlinear elements such as hard-limit of exciters, the effects of some devices such as Power System Stabilizer and Static Var Compensator which can introduce positive damping in power system, the reasonability of system parameter values in simulation, the SNB surface and HB surface on the boundary of SSSR will turn close to each other and even coalesce together; 2 Under some conditions, coupling between slow exciters and shunt capacitors will bring negative damping in power system dynamics, which increases the possibility of oscillatory instability. So the power system with mass shunt compensators is easily subjected to the oscillatory instability. In recent years, chaotic phenomena of power system have been reported many times. Some simulation studies even found chaos existing inside the power system SSSR. In this dissertation, chaotic phenomena in power systems are thoroughly studied in order to make clear the relation of chaos and SSSR. The following results are derived: 1 Based on Li-Yorke Theorem and their definition on the chaos, the existence of chaos in power system is verified; 2 Three possible routes of causing chaos in power system are found and deeply investigated. They are route of cascading period doubling, route of directly initial energizing and route of torus bifurcation (or quasi-periodicity). The latter two routes are investigated for the first time in power system stability studies; 3 When the stability conditions of chaos are broken, it is found they can lead to voltage collapse, angle divergence, or voltage collapse with angle divergence simultaneously.

针对在电力系统小扰动稳定区域内可能存在混沌吸引域的有关报道，本文深入研究了电力系统混沌现象的出现途径和与系统失稳模式之间的关系：1利用Li-Yorke定理和Li-Yorke的混沌定义，从理论上证明了电力系统混沌现象的存在性；2发现了电力系统中导致混沌出现的三种可能途径：倍周期分岔导致混沌、初始能量直接激发混沌和经由环面分岔导致混沌，并对后两种新发现的途径进行了较为细致的研究；3发现了混沌极限环破裂导致电压崩溃、角度失稳以及电压崩溃和角度失稳同时出现的现象，其中混沌极限环破裂导致系统角度失稳和电压崩溃及角度失稳同时出现的现象均属首次报道；4证明由微分-代数方程描述的系统模型，其小扰动稳定域的边界只包含HB、SNB和SIB三种分岔界面，在SSSR的内部和边界上，均不可能存在会导致混沌的点，从而将混沌现象排除在小扰动稳定域的研究之外，简化了后者的研究工作。

He studInternet Explorers more than three times as hard as I.

他用功的程度是我的三倍还不止。

She studInternet Explorers three times as hard as I.

她用功的程度是我的三倍。

S life and work hard to achieve feats that will live up to the expectations of the people and the times.

证实自己的人生价值，努力的工作取得成就，而不辜负人民和时代的期望。

Next, plant your feet firmly on the floor, push down hard, relax and repeat 10 times.

接下来，双脚紧踩在地板上，向下用力推，再放松，如此重复十次。

Moisture content of all flour fractions was stabilized to about 12 percent before blending. Each soft wheat flour fraction was blended with each hard wheat flour fraction under various blending ratios (20:80, 40:60, and 80:20) and blending times (10, 20, 30, 40, 50, 60, 120, and 180 sec) in a drum mixer.

在混合之前，所有面粉块的水分含量保持在12%，每一种软麦粉块按不同混合比例和混合时间与一定的硬麦粉块混合在一个鼓形混合器中。

Stool was yellowish or khaki-colored, quality hard, dry forming, often non-stick diapers pollution, such as milk sugar as much as soft and slightly like the stench of corruption, but also more each defecation, defecation 1-2 times the normal daily or every other l-2 days.

大便呈淡黄色或土黄色，质较硬，干燥成形，往往不粘污尿布，如奶中糖多则变软，并略带腐败样臭味，而且每次排便量也较多、正常每天排便1-2次或隔l-2天一次。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。