- 
				           		
The number of chromosomes in the root tip cells was observed.
						        										 	
						        					            	
				            	对主栽品种的根尖细胞染色体数进行了观察;
								    				            	
				 	    						                 	youdao
				            					            						        	 
		         		 		        			         		
		          					          
		          			                            				          						        				          							        	- 
				           		
Studied on chromosome damage in cells of broad bean root tip.
						        										 	
						        					            	
				            	对照射后蚕豆根尖下细胞中的染色体损伤情况进行了研究。
								    				            	
				 	    						                 	youdao
				            					            						        	 
		         		 		        			         		
		          					          
		          			                            				          						        				          							        	- 
				           		
Studied on chromosome damage in cells of broad bean root tip.
						        										 	
						        					            	
				            	对照射后蚕豆根尖下细胞中的染色体损伤情况进行了研究。
								    				            	
				 	    						                 	youdao