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151. Buoyant force is not only the base of hydrostatics which has many applications, but also the key point of physics teaching in the middle school.

152. The key point which influences mechanical properties is cleanness of steel.

153. According to the performance of the liquid hydrocarbon farm, its key point of the automation design in aspect of control scheme instrument selection, configuration and installation are described.

154. Because of the ecological environment of cotton field has been changed, it requires looking for the key point of meteorological service by rule and line.

155. After Chinas accession to WTO, the questio(omitted)e application of the WTO agreements has become the hot topic and the key point in the discuss(omitted)demic circles and in judicial practice.

156. As the key point of expression modulation in prokaryotic and eukaryotic cells, the protein phosphorylation and dephosphorylation may help reveal the status of the life system at the molecular level.

157. The key point of development of emergency medicine is professional training.

158. The determination of critical crack size is the key point in fracture dynamics, but this is certainly difficult for low-carbon steel.

159. I suppose one key point to make is that current debt levels are similar in size to those in late 2006 and early 2007(http://sentencedict.com), but the asset values supporting those levels in 2006 and 2007 were much higher.

160. Key point for bag filter used in coal grinding system consists in burn - proof and explosion prevention.

161. Therefore, the method we adopt to study the trajectory of water diffusing in the polyurethane material is the key point to lower the coefficient of heat conductivity and the prolong service life.

162. Otherwise, well key point should clean the deepness under intermediate bushing.

163. Campus Culture in colleges is the central value and the key point of college development.

164. The reform of state-owned enterprises is a key point of Chongqing's reform and development, of which the supply and marketing cooperative is a important and difficult one.

165. The numbers and the function of the hepatocytes in the bioartificial liver device is the key point determining the efficiency of the substitution of the crocked up liver.

166. By the GM pharmacokinetic analysis, it suggested that the accumulation of drugs in perilymph be a key point of GM ototoxicity by the disturbance of the blood-labyrinth barrier.

167. The way of data transfer in DMA mode, control method of logical programmable device and design of driver program are discussed to solve the key point of sequential transmission.

168. The analytical results show that the key point to realize the optimal parameters is to obtain the high reversible permeability of the core, and some methods to resolve this problem are given.

169. Performance evaluation is a key point in the lifecycle of project management. It is the end of the last cycle and the start of the next one.